Walkstool Basic comes in two different sitting heights: 20" and 24". The seat is made of black polyester and is approximately 20% bigger in size than a normal seat for a three legged stool. The legs are grey to match the seat. Walkstool Basic has a similar light weight construction as the Walkstool Comfort models, including telescopic legs in aluminum. It is manufactured in China with a quality high enough for most people to use it for many years. Walkstool is the only three legged telescopic stool in the world with patents and trademark protections. Walkstool 20": Max Height: 20", Seat Size: 13",Max Load:330 lbs, Weight: 23 oz.|Walkstool 24": Max Height: 24", Seat Size: 13",Max Load:385 lbs, Weight: 26 oz.