7-8mm Milky White Hardened Gel Balls

【How to use】 Pour 500pcs of water balls into a container and inject 180ml of water. After soaking for 3 hours, the gel bullets are going to get bigger and bigger, and then it's going to be 7-8mm. The light and heat will shrink the gel balls and return them to their original size.

Specifications:
Size: 7-8mm
Colour: milky white
Quantity: 10,000pcs per pack
Package: 2x packs of hardened gel balls