Chicken Hawk Racing Classic Digital Temperature Contol - Superbike (180-205) Tire Warmer Set - Manufacture Direct- Made in the USA Fast and effective heat up, Full coverage Heating Elements Melt-Proof inner liner with heat sensitive dye Dupont Nomex/Kevlar Insulation to retain heat and heat the entire carcass deep down Tough Codura Exterior with high impact temperature controllers Neoprene Sides designed to keep heat close to the rim