These yoga straps are made of heavy-duty 1′′ cotton webbing with a custom stainless steel quick release buckle. This yoga strap is practically indestructible. It is made for the heavy demands when used with the Yoga WallTM. They are also perfect for the every day use of a yoga studio. This yoga belt won’t break. This belt won’t slip. This belt will easily release under a load because of our innovative buckle. It is the only yoga belt with a stainless steel slide buckle on the market.