14PCs Invisible Ring Size Adjuster Kit Cooling Fan so you don't have to

so you don't have to worry about the lid falling off

the better leakproof is

power it up with the Water Pump

the pump will automatically stop working to protect the motor

14PCs Invisible Ring Size Adjuster Kit Cooling Fan so you don't have toDescription: Fits Most Rings: Ring adjuster fits width from 0. 1cm to 0. 5cm, suitable for both womens rings and mens rings. Works with big knuckles as well. Invisible Ring Sizer: Ring spacers are made of high quality transparent silicone material and a unique design, virtually invisible when on rings. Comfortable To Use: The ring size adjuster is non toxic and safe to use on the skin. It is soft and comfortable to wear, without pain or irritation to