Gymnastics are very effective for making children physically fit, strong and very flexible. It is also ideal to teach gymnastics to kids because their bodies are eager to be molded. This is why almost all schools have a gymnastics class for kids. Another reason why gymnastics are popular with children is the fact that kids really have a lot of fun with it. They love to tumble and flip and do all manner of gymnastic moves. In order to guarantee their safety, it is ideal that parents and schools get the TUMBLING MAT 4' X 8' X 2". This is a tumbling mat that is made in the USA and it is PHTALATE free. That�s how awesome this mat is. Kids will love every gymnastics session with this awesome mat!