1. The box is designed with leakproof silicone ring for better sealing.    
2.It is high temperature resistant and suitable for microwave heating.    
3. All materials are made of food-grade contact PP, which is safer and more assured.   
the 2pcs of plastic storage boxes are suitable for a variety of kitchen needs. With high temperature resistant material, it is also suitable for microwave heating. With buckle and leakproof silicone ring,it is better to prevent air.