Type: Wrist Exerciser
Function: Muscle Relex Apparatus
Model Number: Muscle Power Training Eco-friendly
Material: Eco-friendly silicone
weight: 100G
Outside Diameter: 8.8cm/3.5inch
Inside Diameter: 4.5cm/1.8inch
Thickness: 2.2cm/0.9inch
Product Use: Finger Hands Fitness
Product Features: Muscle Exerciser Musculation Equipment