... ; 2.flexible,non-stick,impermeable; 3.durable,reuseable 4 size oval shape silicone food container 1. material : 100% food grade ... high quality ,meeting FDA and LFGB standard ;2. consist of large/medium/small /extra small ones , the size & weight as below ... to +230 centigrade;4. safe use for the microwave oven,roaster,refrigerator,dishwasher ;5. eco-friendly ,tasteless, non-toxic, unbreakable and ...