... take care of floor 4. hight stickiness rubber foot features"Attention:Custom-made is welcomed! Also ... before mass production. 1. Materials advice: silicone and rubber (EPDM, also NBR, SBR, CR, NR, etc ... Environmental Friendly, to give you optimized material performance in your particular application.2. Application: automotive, machinery, ... , or as your request.Pictures: Rubber Foot in White Color