Glow in the Dark Vape Bands - Pack of 30 Vape Rings made with Silicone 21mm Vape Ring Bands Serve as a Bumper for Your Tanks and Can Save Your Mod from Minor Scratches Vape Rubber Bands Gives Extra Grip When Holding Your Mod, Especially in Wet Conditions Vape Bands width 7mm 0.275 Inch Vape Bands inner diameter 21mm 0.826 Inch Package include: 30pcs Vape Bands (Note: we send mix colors by random!)