Through Authenticate 
- Size : 8cm(dia.) x 17.8cm(height)
- Material : High density & Durable EVA
- Hardness :40~45
- Color :Single color and color option is available
- Texture :Fixed
- Logo :Screen printing, laser engraving
- Phthalates free, no heavy metal, meets PAHs, RoHS and REACh testing standards
- Massage your wrists, forearms, biceps or triceps
- Roll your feet on mini roller
- You can use it anywhere
