DOBEN Professioinal Power Twister – Flexi Rod – Heavy Duty Spring Chest Expander for Shoulder, Arms and Chest Exercises…

ECO-FRIENDLY MATERIAL:Sit up Exercise Equipment is made of high-quality latex tube,thick,strong,non-toxic,non-irritating, safe and environmentally friendly.Sweat-absorbent cotton wraps the handle, which has good sweat-absorption and anti-slip ability, and is safer to use.
INTIMATE DESIGN:The elastic foam handle design of Sit-Up Exercise Equipment with 4-Tube Resistance Bands provides sufficient grip without causing damage. At the same time, natural latex tape, foam handles and non-slip pedals can protect hands from injury and absorb sweat, prevent slipping during exercise, prevent cervical and lumbar spine from being injured, thereby helping you maintain a healthy body.
MULTI-FUNCTION:Resistance tubes is suit you perfectly for muscle training and fat-burning. Exercising your muscles in different parts of the arms, waist, abdomen, hips and legs can help you shape a perfect body.Multifunction tension ropecan also improve the flexibility of your joints, strengthen your physique and relieve stress.It is an important tool for men and women.

Materials: plastic, stainless steel spring.
The spring is usually heavily wound to provide resistance and some types of Power Twister allow you to adjust the tension.
Easy to carry, convenient for exercise, office, school, home, travel, etc.