Keep food fresh-household food storage trays is different from disposable plastic wrap. the high-quality elastic film is not easy to break and can be reused. it can keep food fresh for a long time, is harmless to the environment, and protects the environment and family health. preservation tray has a leak proof lid and an elastic film which can avoid your food exposing to air or dust and help the food to stay fresh longer than ever. easy to clean-these trays are easy to use and clean, and can be washed in the dishwasher for hassle-free maintenance. plus, their transparent design allows you to easily see what's inside without having to open them up. versatility-whether you're prepping a meal, storing fruits, vegetables, meats, or leftovers, our food preservation trays are versatile and can be used to store a wide variety of foods. high-quality materials-our stackable food storage containers and reusable stretch lids is made of high-quality food-grade and bpa free plastic, strong and durable, advanced elastic film, easy to clean.