This multi-use ramp is perfect for aging, arthritic and/or displastic, short legged, heavy or shorter pets. Great for getting you pets in and out of vehicles, on or off couches or beds, use as a stair replacement and for getting into swimming pools and boats. It floats in water, is ribbed for a non-slip surface and is made of strong polypropylene and glass fiber with a stainless steel connecting rod. Easy to open and close the lightweight ramp weighs 18.5 lbs. Seventy inches long (35 inches folded) and 18 inches wide with raised edges. The Pet Step and the Half Step hold up to 500 lbs. and both have a one year manufacturer’s conditional warranty. The Half Step II weighs only 11 lbs and measures 39”Lx17”Wx1.75”H. Great for beds, furniture, RV’s or windows.