Walkstool is the only three legged stool in the world with telescopic legs (with patents and trademark protection), which not only makes it compact and easy to carry but also offers two sitting heights. It is made of aluminium to make it light, but yet strong enough. Laboratory tests on plain surface indicate that WS Comfort 65cm/26in, which is the strongest of the models, took a burden up to 425 kg/935 lbs before it started to break (lower legs gliding apart). We are not on the market to compete with three legged stools that you can buy 10 for same price as our Swedish models. We are on the market to sell the best 3-legged stool on earth (we are confident we do) to people that appreciate a product they can live with year after year.