Tumbl Trak Tumbling Panel Mat, 5ft x 10ft Tumbl Trak Tumbling Mats are the highest quality gymnastic mats available on the market today Each mat offers 2 ft wide folding panels in a variety of colors with Velcro on two ends Our Tumbling Mats are made with 18 oz. vinyl and industry standard, cross-linked polyethylene foam The non-skid material on the bottom of the mat prevents it from sliding or moving when in use They do not contain lead and have passed testing requirements enacted by the Consumer Protection Safety Improvement Act of 2008