10-Piece Cup Turner Foam Set for 1/2 Inch PVC Pipe - Compatible with 10oz, 12oz, 17oz, 20oz, 25oz, 30oz Tumbler Bottles & Cola-Shaped Water Cups (Black) - Perfect for DIY Cup Spinners, Craft Projects, and Custom Drinkware Decorations

Features

Octagon and honeycomb design: porous structure foams can keep your cup turning steady, octagon shape is easy to adjust their position in cup, which will bring much convenience to you; Our product design is protected

What you receive: package comes with 1 piece cup tumbler foam with a diameter of 3.72 inches/ 9.4 cm, 1 piece cup tumbler foam with a diameter of 3.07 inch/ 7.7 cm, 8 pieces cup tumbler foams with a diameter of 1.57 inch/ 4 cm; All the foam high is approx. 1.77 in/ 4.5 cm; They will fit your 10 oz, 20 oz, 30 oz cups, also fit your 12 oz, 17 oz, 25 oz cola shaped water bottles

Quality material: our cup turner foams set is made of high density EVA foam (60 g/ cm³), moderate hardness with some elasticity, which will ensure your cup stay in place and keep it level, so it doesn't slip out; Note: you may receive foams mixed with previous and recent shapes that have the same function

For 1/2 inch PVC pipe: the tumbler spinner foam works with 1/2 inch PVC pipe well, that means your PVC pipe diameter should be 0.84 inch/ 2.13 cm; The diameter of foam's center hole is 0.75 inch/ 1.9 cm; The diameter of foam's center hole slightly less than PVC pipe diameter will hold the PVC pipe tightly

Designed for cup turner machine: DIY your own tumbler cups without worry the cup slip down, and attaches your cup to the PVC pipe of cup turner machine securely ( Please make sure the size of your cup's opening mouth and always use the foam a little bigger then your cup, not a smaller one)