Product Description:

1. Material: PVC

2. Features: smooth surface; made of green materials｣ｬ so it is harmless｣ｬ healthy and non-toxic｣ｬ fresh and odorless;

high-grade explosion-proof materials can prevent accidental burst since the material itself is able to maximize the security.

3. Function: to prevent back pain; correct stature; shape the body; provide help for office staff who lack of exercise.

4. A straw is attached

5. Size: about 25 * 25 * 27 cm ( 9.84 * 9.84 * 10.63 in )