Tumbl Trak Octagon Tumbler, 35in x 35in x 35in(Colors May Vary) HIGH QUALITY VINYL - Tumbl Trak Octagon Tumblers are made from some of the highest quality materials on the market. Each mat is covered in an extremely durable 18oz knife coated vinyl material. All of our mats are tested and pass CPSIA of 2008. PERFECT ADDITION TO ANY TUMBLING CLASS - An Octagon Tumbler can help with teaching the beginning and finishing of backward and forwards skills such as walkovers, front and back handsprings. They also help teach leaps, tick-tocks and over splits. SIZE GUIDELINES - 20in x 20in x 38in if the athlete is 35in and below; 24in x 24in x 30in if the athlete is 35in to 43in; 30in x 30in x 36in if the athlete is 44in to 53in; and 35in x 35in x 35in if the athlete is 53in an taller. DONT BE FOOLED BY CHEAPER COMPETITORS - Tumbl Trak has been in business for 30 years making the highest quality gymnastics products on the market. Tumbl Trak offers unrivaled quality and will withstand even the most rigorous use. WE KNOW GYMNASTICS- When you purchase a Octagonal Tumbler from Tumbl Trak, youre getting a TRUE gymnastics product. Coaches, former gymnasts, and industry experts make up the Tumbl Trak Staff which has been making gym quality products for 30 years.