PU stress toy Welcome OEM order,Pls send us your detailed information including logo/packing/qty,we will give you a best price. PU stress tennis ball keyring1) Dia.4cm2) Safe material: polyurethane, non toxic and soft3) Any color is available4) Logo imprinting is acceptable5) Custom design is welcomed6) High quality with low pricepacking:1pc/PE bag500pcs/ctn/33x33x32cm/0.035cbmn.w./g.w.: 5/5. ...