Rubber button surface Anti-slip, non-toxic, durable. 1. Round button rubber sheet, also called dot rubber sheet, a coin-shaped bump on its surface, coiled material;2 ... resistance;3. Safe, eco-friendly, water-proof, fire-proof and anti-skid;4. Easy to be installed and maintained. Click the ... room, power plant, museum, library, cinema, auditorium, etc. round button rubber sheet