SUNSKY Fiberglass + Silicone Fitness Elastic Corps Training Tremor Stick Training Tremor Stick(Detachable Reinforcement)

Material: glass fiber, silica gel

Applicable people: general

Function: speed up muscle vibration frequency and improve upper body muscles

Simple and easy to learn, easy to master, high frequency vibration, efficient improvement of posture

Rubber handle, strip thread design, comfortable grip, non-slip and wear-resistant