The Pet Step HalfSTEP II  pet ramp is 39" long X 17" Wide X 3.5" High.  The The Pet Step HalfSTEP II  pet ramp is ideal for side use of van/vehicle, couch or bed.  The Pet Step HalfSTEP II  pet ramp is not long enough for the back of SUV/pickup.  Weighs 11.5 pounds, will hold up to 500 pounds of weight.