SANITARY & CLEAN PACKAGE Our take out containers with lids use heat shrinkable film inner packaging to ensure that the products are more clean and hygienic. Perfect for school or work lunches, meal planning, or leftovers, these storage containers provide convenience for you to keep food fresh at your fingertips LEAK PROOF Keep your food protected. Tired of leaky containers that let your food go bad? YANGRUI meal prep containers are designed for leak proof and keep your food fresh FREEZER SAFE YANGRUI meal prep container is extra-thick and anti-cracking, so it can remain strong even after being frozen MICROWAVE SAFE After microwave heating, YANGRUI to go containers without any peculiar smell, they are still firm and will not soften REFUSE BROKEN & SAFE MATERIAL Non-slip stacking and strengthen the load-bearing structure design，more durable. Also, YANGRUI take out containers are made of food grade materials to ensure the health and safety of your meals