... box,PP lid 2. 4-side lock 3.Airtight,heat-resistant,hygienic,durable,space saving 4.Pass QS,PDA,SGS,LFGB ... CTN Item description.1.It has 100% sealing performance ,high heat -resistant and extremely durable2.The product applies to microwave oven,dishwasher ... inquiry,we sincerely hope to establish long-term and friendly business relationships with you. heat-resistant microwave glass food container 400ml