The lunch box lid cover is made of pure-white coating free polymer which can be sublimated with full range colors and bright pattern. To adopt 3D Vacuumsub® machine sublimate your lunch box is the priority choice, it can not only make full-area imprint on lid cover with impressive pattern, showing your special character directly, and making your promotion unforgettable. It is ideal for kids. Children love getting things around vividly styled in their signature colors, images, or best with their beloved cartoon characters. On this sublimation lunch box, kids can imprint any cartoon hero or personal graphics they like. It can make children feel excited and patiently finish their meal. SUN-FLY dye-sub lunch box is able to meet different country criterion like EU and FDA, 100% BPA free and harmful material have been eliminated.