pvc rubber silicon key cover1) Standard size 2) Nice design and soft ... by 100% silicone; 4) SGS & EN71 passed. Detailed descriptions:Name:pvc rubber silicon key coverSize:Length: 25mm, width: 23mm, height: 4mm, thickness ... DuPont, Dow Corning, Lanxess AG, and Baosteel. All of our rubber products are certified to ASTM, DIN, JIS, AMS and MIL ...