Promotional stressball 1. Safe and Eco-friendly PU material. 2. MOQ: 3000pcs 3. Pass SGS,EN-71,ASTM1188 test 4. Quick delive Hot-selling Red Heart Shape Promotional stressball (1) PU toys characteristics: We use safe,non-toxic and environmental PU(Polyurethane). (2) PU toys advantages: Color fidelity, smooth surface, colourful, lovely modelling, airtight, durable, good flexibility etc. PU ...