PU stress ball keychain 1)solid&soft handle ... stress ball keychain1) Material:Non-toxic PU material,solid&soft handle,pu stress balls2) Thousands of designs&shapes,popular promotional ... and promotion.7) OEM design is availablePU stress ball,the price will be favourable,because we have ... colourful, lovely modelling, not leaked, durable, anti-stress and good elasticity, the usage of safe,soft comfortable ...