Pet Gear's Pet Step III allows your small dog or cat the ability to reach your bed or other elevated areas with ease. Features a more narrow and compact design; specifically made for small pets. The Pet Step III has rubber grippers on the bottom which keep the step secure and in place while the pet is using the stairs. Easy assembly, just snap the stairs together no tools required! Capacity 50lbs 18"L x 14"W x 15"H