1)pu stress balls,pu material,solid&soft handle 2)thousands of designs&shaps,OEM offered 3)safe,non-toxic,Suit to EN71&CE 1)pu stress balls,pu material,solid&soft handle2)thousands of designs&shaps,OEM service offered3) popular promotional items4) safe, non-toxic,Suit to EN71 and CE standard5) special requirements on design, with abundant colors,can be printed with various logos6) super quality ...