Ergonomically designed to give a snug fit over most seat shapes and sizes and can be used on motorcycles (sportbike or big cruiser/touring seats), snowmobiles and ATVs Drymax« outer seat shell allows fabric to breathe and helps air flow through seat; waterproof inner lining protects heat metal fibers from getting wet Anti-skid bottom keeps seat in place once snapped on with adjustable webbing system; includes extra-long webbing for bigger seats Provides full heat coverage and chill-free riding comfort; raises rider to a minimal height Constructed using light and flexible Zepto heat metal fiber technology Produces 17.4 watts of heat and draws 1.3 Amps of current Comes with a 20" battery cord and built-in ON/OFF switch. SEAT PAD HEATED