Description This is a professional and comfortable grip hand grip strengthener equipment, made of high-grade silicone material for a long using time. And this practical and professional hand grip strengthener fits for most hand size, easy and comfortable to use. Supple and washable while providing certain convenient design for easier grasp. It is the best choice for you. Features -Color:Light Grey -Material:Silicone -Size:7.50X7.50X2.00cm/2.95X2.95X0.79in -Toughness and elastic to create an integrated molding, to provide resistance to grinding power. -With the smooth surface and different strength type, can strengthen hand feeling, anti-slip massage. -Hand grip strengthener is designed in round shape, and palm convenient storage, home travel can be played. -Simply wash the stain and make it look new. Suitable for your hand strength training in home and fitness center. -In adoption of the good and premium material, wear resistant and durable for long serving time. Toughness and elastic to create an integrated molding, to provide resistance to grinding power. With the smooth surface and different strength type, can strengthen hand feeling, anti-slip massage. Hand grip strengthener is designed in round shape, and palm convenient storage, home travel can be played. Simply wash the stain and make it look new. Suitable for your hand strength training in home and fitness center. In adoption of the good and premium material, wear resistant and durable for long serving time.