MATERIALS： TPU0.8/1.0，PVC0.8/1.0
Non-toxic,colorless,hydrolysis, anti-oxidant.
Ti-zip imported from Germany
SIZE：Diameter 1.5，1.6，1.8，2.2，2.5，3.0m, etc.
FEATURE:
(1) This product is safe, environmental friendly, fashionable and easy to play.
(2) A combination of sport, fun and enjoyment.
(3) It can greatly improve player’s coordination ability and body’s balance.