Amazon stocks a variety of materials, including nitrile (Buna), neoprene, EPDM, gum rubber, SBR, silicone, & red rubber. In addition, it’s available in various lengths, thicknesses of 1/16” – 1”, & widths of 4” – 48”. Many other sizes, shapes & colors are available as well, so feel free to call our expert staff, and we will gladly cater to your specific requirements!