Features:1. Thermal insulation design: This lunch bag fabric has waterproof PVC on the back, and environmentally friendly PVC aluminum film inside, filled with 5mm thick insulating pearl foam, andwith a waterproof zipper to prevent the exchange of internal and external air and effectively improve the thermal insulation effect. Better thermal insulation than other products on the market. 2. Leak-proof and waterproof: double-sided environmental protection PVC aluminum film, electric welding seam, leak-proof and easy to clean.3. High-quality material: The interior adopts environmentally friendly double-sided PVC aluminum film, which is more durable than EVA material. The zipper features a sealed waterproof zipper. The side mount triangles and hooks feature metal fittings for more durability.4. Multifunctional Design: The lunch bag is designed with hand and shoulder straps for easy use. There are mesh pockets on both sides of the lunch box and pockets on the front. Items can be arranged and placed according to different needs. 5. If you have any question, please feel free to contact usNotice:1.Actual color may be slightly different from the image due to different monitor and light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Weight: 400g Size: 28*18*30cm