1. Different key cap. 2. Many colors, sizes and designs . 3. ... 4.Welcome custom samples. Itemfashion silicone key cap,High Quality silicone key cap,silicone key capMaterial100% FDA environmental silicone H. ... -40c.+250c.Certification RoHS, SGS,CE,FDA,(LFGB)NumberFDA:21 CFR 177.2600 CAS:112926-00-8PackageOpp bag, blister, ... service.Thanks & Best regards, fashion silicone key cap,High Quality silicone key ...