Packaging Endows Charm, Protects Taste on the Go — Thermal Lunch Tin Box, with "packaging protects taste, appearance adapts to needs, and scenarios are diverse" as its core positioning, based on the core needs of lunch heat preservation storage, convenient carrying, safety and hygiene, relies on professional packaging design, environmentally friendly packaging materials and refined packaging technology, perfectly integrates packaging aesthetics with practical functions, breaking the dilemma of traditional lunch box packaging such as "poor heat preservation, easy leakage, low appearance, and non-environmental protection". It creates an integrated packaging solution with heat preservation and taste protection, sealed and leak-proof, convenient and practical, and outstanding appearance, adapting to diverse scenarios such as office workers bringing meals, students' lunch, outdoor travel, and business portability, covering various needs such as personal use, enterprise customization, supermarket retail, and gift giving, becoming a preferred benchmark in the field of thermal lunch tin box packaging. We adhere to the core concept of "packaging is protection, and details show ingenuity", have been deeply engaged in the R&D and design of thermal lunch tin box packaging for many years, integrate high-quality packaging resources in the industry, optimize packaging structure, iterate packaging processes, and upgrade packaging materials, protect the original taste of lunch with professional packaging technology, improve the user experience with refined packaging details, meet the needs of different customers for the appearance, functions and scene adaptation of thermal lunch tin box packaging, and show packaging value and product style.

　　Packaging Materials: Environmentally Friendly and Safe, Balancing Heat Preservation and Durability. Upholding the packaging material concept of "environmental protection first and safety first", we select special packaging materials suitable for thermal lunch tin boxes, balancing heat preservation performance, durability and environmental protection. All packaging materials meet international food contact safety standards and environmental protection packaging standards, ensuring lunch safety and user experience from the source. The inner packaging is made of food-grade aluminum foil insulation material, with a thickness of 0.08-0.12mm and aluminum foil purity ≥99.5%, which has excellent heat insulation and preservation performance, can effectively lock the lunch temperature, keep hot food at a constant temperature of 60-70℃ for 6-8 hours, and cold food at a low temperature of 0-10℃ for 4-6 hours. At the same time, it has good moisture-proof and anti-oxidation performance, avoiding lunch dampness and flavor mixing, and protecting the original taste of lunch; The surface of the aluminum foil is treated with chrome-free passivation, no harmful residues and no excessive heavy metals, lead content ≤0.001mg/kg, cadmium content ≤0.0005mg/kg, which can directly contact food, safe and odorless, meeting the EU food contact material safety standard (EC 1935/2004). The middle layer is made of high-density EPE pearl cotton buffer material, with a thickness of 0.5-0.8cm, which has good buffer, shockproof and heat insulation performance, can effectively protect the main body of the tin box, avoid deformation and damage caused by collision and extrusion during transportation and carrying, and further enhance the overall heat preservation effect and reduce temperature loss. The outer layer is made of environmentally friendly degradable kraft paper and food-grade PP composite material, with a thickness of 0.3-0.4mm, tensile strength ≥350MPa, waterproof, oil-proof and wear-resistant, which can effectively isolate external moisture and oil stains, avoid leakage caused by packaging damage. At the same time, the degradable material conforms to the green environmental protection trend, can be naturally degraded after disposal, and will not pollute the environment, balancing practicality and environmental protection, adapting to the environmental protection needs of modern consumers.

　　Packaging Structure: Scientific and Reasonable, Balancing Sealing and Convenience. Relying on the use scenarios and core needs of the thermal lunch tin box, optimize the overall packaging structure design, create a three-layer integrated packaging structure of "inner layer heat preservation + middle layer buffer + outer layer protection", balancing the four core functions of heat preservation, sealing, leak-proof and convenience, solving the pain points of traditional packaging such as poor sealing, easy leakage and inconvenient carrying. The inner packaging adopts a fitting sealing design, which fits the main body of the tin box precisely, matched with a food-grade silicone sealing gasket, the thickness of the sealing gasket is 0.2-0.25mm, Shore hardness 55-65 degrees, odorless and non-aging, the fitting degree with the tin box reaches 99.8%, and the leakage rate is ≤0.005%/24h, which can effectively prevent lunch soup leakage, avoid polluting clothes and backpacks, adapting to carrying scenarios. The main body of the tin box adopts a layered packaging design, which can flexibly divide the space according to the type of lunch, the upper layer is suitable for staple food, the middle layer for dishes, and the lower layer for soup, layered sealing without flavor mixing. At the same time, it adopts a detachable design, which is convenient for cleaning, storage and carrying, balancing practicality and convenience. The middle buffer structure adopts a full-wrap design, the pearl cotton material is closely attached to the main body of the tin box, and the corners are treated with thickened buffer, with a thickness of 1.0cm, which can effectively absorb collision impact, ensure that the tin box does not deform or damage during bulk transportation and daily carrying, adapting to both bulk transportation and personal carrying scenarios. The outer packaging adopts a portable design, equipped with a foldable handle, the handle load-bearing ≥5kg, strong and durable, easy to carry, and designed with a hidden zipper, which opens and closes smoothly with strong sealing, can effectively prevent dust and impurities from entering, and protect the tin box from cleaning. In addition, the outer packaging is reserved with ventilation holes, with a diameter of 0.3-0.5mm, which can achieve slight ventilation, avoid excessive pressure caused by hot air accumulation in the box, balance sealing and ventilation needs, and improve user experience.

　　Packaging Appearance: Both Appearance and Practicality, Adapting to Diverse Scenarios. Focusing on the aesthetic needs and scene adaptation needs of modern consumers, create a simple, elegant and outstanding packaging appearance design, balancing aesthetics and practicality, making the thermal lunch tin box not only a taste protection tool, but also a carrier to show personal style and brand temperament. The packaging appearance adopts a simple and elegant design style, focusing on classic elements such as solid colors, simple lines and geometric patterns. According to scene needs, it can design various styles such as minimalism, freshness, business and cuteness, adapting to the aesthetic needs of different groups such as office workers, students and outdoor enthusiasts. The color matching balances practicality and aesthetics, selecting dirt-resistant and easy-to-clean solid colors as the main color, matching with simple prints and logo marks, the color is uniform and not easy to fade. The printing adopts environmentally friendly food-grade ink, no harmful volatile substances, color adhesion ≥4.5 levels, which can present clear patterns, texts and logos, adapting to brand customization and personal aesthetic needs. The packaging size is scientifically calculated, divided into mini version (18×12×8cm), standard version (22×15×10cm) and large-capacity version (25×18×12cm), which are suitable for single-person meals, two-person meals and multi-person meals respectively. The overall packaging is lightweight, the weight of a single package is controlled at 150-250g, easy to carry, does not increase the travel burden, and can be stacked to save storage and transportation space, adapting to bulk storage and transportation scenarios. In addition, the packaging surface is treated with matte film, which has a delicate touch, scratch-resistant and wear-resistant, not easy to leave fingerprints, improves the packaging texture, and has waterproof and oil-proof functions, easy to clean, adapting to daily use scenarios.

　　Customized Packaging: Diverse Adaptation, Meeting Personalized and Bulk Needs. Based on the personalized customization and bulk purchase needs of different customers, build a flexible and diverse customized packaging system, perfectly combine packaging design with customer needs, realize "one packaging, diverse adaptation", and help customers improve product recognition and brand influence. Brand customization: Support the brand customization needs of enterprises, merchants and other customers, and can print brand logos, corporate slogans, product information, etc. on the packaging surface, with printing accuracy ≥450dpi and color deviation ≤△E1.2, ensuring that the brand logo is clear and the color is accurate, improving brand exposure and recognition, adapting to scenarios such as enterprise employee benefits, business gifts and supermarket retail, just like the brand customization of commercial aluminum foil lunch boxes, helping to enhance the brand image. Style customization: According to customer needs, customize packaging in different styles such as minimalism, business, freshness and Guochao, integrate customer-specific design elements, create exclusive packaging styles, adapt to different groups and scene needs, balancing appearance and personalization. Size and function customization: According to customer needs, accurately customize packaging size, number of layers and functions, such as adding partitions, optimizing heat preservation performance, upgrading sealing design, etc., adapting to different lunch types and use scenarios, as flexible as multi-capacity commercial lunch boxes to adapt to diverse needs. Bulk customization can enjoy exclusive packaging design services, provide one-on-one design docking and free design modification to ensure that the customization effect meets customer expectations. At the same time, the bulk customization cycle is shortened to 5-12 days, which can undertake bulk orders of 50-100,000 pieces, and provide exclusive logistics docking services to ensure that the packaging products are delivered in time, balancing bulk production efficiency and personalized needs, empowering customer needs with customized packaging and improving product added value.

　　Transportation Packaging: Safe and Stable, Adapting to Large-Scale Transportation. Focusing on the core needs of bulk transportation scenarios, build a safe, stable and efficient transportation packaging system, ensure that the thermal lunch tin box does not deform, damage or leak during long-distance transportation and bulk stacking, ensure product quality and reduce transportation loss. The transportation packaging adopts high-strength corrugated carton, corrugated thickness ≥5mm, compressive strength ≥2000N, which can bear the pressure of bulk stacking, avoid packaging damage and tin box deformation caused by extrusion during transportation; The inner wall of the carton is fully wrapped with EPE pearl cotton, the corners are reinforced, and shockproof buffer pads are equipped to further enhance the buffer performance, absorb collision impact during transportation, and ensure product safety. The transportation packaging adopts a standardized design with uniform size, which can be flexibly stacked, saving transportation space and improving transportation efficiency. At the same time, the surface of the carton is printed with warning signs such as moisture-proof, fragile and handle with care, reminding logistics personnel to operate standardizedly and reduce transportation loss. In addition, the transportation packaging adopts environmentally friendly degradable materials, conforms to the green logistics trend, can be naturally degraded after disposal, balancing environmental protection and practicality, and is equipped with sealing tape and waterproof film, which has good waterproof and moisture-proof performance, avoiding packaging damage and product dampness caused by rain and moisture during transportation, comprehensively ensuring product quality during bulk transportation, helping customers reduce transportation costs and improve supply efficiency, just like professional tin box transportation packaging, realizing safe and efficient large-scale transportation.