Tumbl Trak Folding Practice Mat, 4ft x 8ft x 4in SMART DESIGN - Tumbl Trak Practice Mats (also referred to as crash mats) feature what we call "Smart Mat Technology" which make our mats easier to use, safer, and provides the ability to be combined with other products. HIGH QUALITY VINYL - Tumbl Trak Practice Mats 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. SUPERIOR DESIGN - Tumbl Trak Mats include reinforced handles for easy transport. Non-skid material is sewn to the bottom, making the mat safer. All the mats can easily be folded in half creating a block shape for increased drills and progressions. 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 Practice Mat 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.