Bouncing Balls With Flashing Light 1. Material : TPU 2. Size: 55/65/80mm and etc ... promotional toy, gift 3. OEM Bouncing Balls With Flashing Light Item NameBouncing Balls With Flashing LightItem No1212002Material 1.Cover Material :TPU; 2.Inside ... :Filtered water;3.Inside Material:colorful glitter ,a lively fish,Flashing Smiley Ball Size(mm)55,65,80 and other size ...