Features:

Quality material:
Our product is made of quality foam material, which is soft to touch and with nice resilience, not easy to break or deform, soft enough to fit many cup shapes, can be applied for a long time, giving you a safe and reliable experience.

Designed for cup turner machine:
Just DIY your own tumbler cups and protect your cup from slipping down, and attaches your cup to the PVC pipe of cup turner machine. Please make sure the size of your cup's opening mouth and always use a foam that is a little bigger than your cup, not a smaller one.

Specifications:
Material: memory foam
Diameters: 3.54 inches/ 9 cm, 3.15 inches/ 8 cm, 2.95 inches/ 7.5 cm
Color: black

Package includes:
2 x 3.54 Inches/ 9 cm diameters tumbler foams
2 x 3.15 Inches/ 8 cm diameters tumbler foams
2 x 2.95 Inches/ 7.5 cm diameters tumbler foams

Notes:
Please make sure the size of your cup's opening mouth and always use a foam that is a little bigger than your cup, not a smaller one.
The diameter of foam's center hole should be slightly less than PVC pipe diameter to hold the PVC pipe tightly.
Please allow slight size error due to manual measurement.
Please allow slight color difference due to different monitor.