silicone lids set of 4 pcs 1.Approvalled by LFGB,FDA 2.Environmental, harmless, washable, and durable. silicone lidsset of 4 pcs,color box1.Approvalled by LFGB,FDA2.Environmental, harmless, washable, and durable.3.Apply for dishwasher, microwave, oven and freezer4.Size:9cm, 11cm, 16cm,21cm5.Different color is acceptableOEM are welcome silicone lids