Feature: Great for Improves muscle tone of the upper inner and outer thighs, arms, core.And it is perfect for travel because it almost flat, lightweight and do not take up too much volume . Specification: Size：About 23*12CM Material: TPE Product include: 1/2 Pcs* Yoga Rings Note: 1.Please allow slight measurement deviation due to manual measurement. 2.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.