Quality and Elastic: made of high density rebound foam, NPR and TPR rubber hose material, our toy foam pogo jumper is solid and serviceable, has a strong load bearing capacity with thicker treads; And this foam jumper with foam handles and a dual elastic hose design is soft and absorbent, flexible and non slip, will not break or tear easily, can be stretched up to 140 cm/ 55 inches, safe for you to play at indoor or outdoor