Favorite pictures can be printed with sublimation on the coating-free polymer lid part. This is a popular innovative lunch box model, with a smart lid design that can be easily opened by pushing a single button on one side. The lid cover is thus made one-piece, more modern-looking and neatly imprintable. We have 5 different body colors to match personalization, getting them for making dazzling collections to attract children’s attention, at the same time, it can be used as extra alternatives to inspire more customer designs. It is effortless to use as it is unbreakable and lightweight, thus easy to handle for kids. With certified food-grade material, it is safe to use in microwave and dishwasher. With coating-free polymer, sublimation stays stable in many circumstances, and the smooth and strong structure just hardly chips or breaks, making a lunch box ideal in both style and function.