Our Mega Pet Step Value Stairs are constructed out of oriented strand board instead of plywood, and covered by a less expensive beige needle punch carpet. These great value steps help you save money but also help your pets, whether it be kittens, cats, or small dogs, to get to wherever they need. It is a lasting product that provides your pet years of enjoyment and convenience. The pet ramp will be able to support up to 21 lbs of weight.