The Jr. Practice Mat is designed for use with the Jr. Kip Bar but can be used as a small tumbling mat or safety mat for other equipment * This mat is 4in thick and makes a great small mat for cushioning falls and landings * The Jr. Practice Mat features handles for easy portability and non-skid material on the bottom * They do not contain lead and have passed testing requirements enacted by the Consumer Protection Safety Improvement Act of 2008