Description This item is a hand gripper ring, can be trained with different exercise for your hands. It fits for most hand size, easy and comfortable to use. Supple and washable while providing certain convenient design for easier grasp. Features -Color:Blue -Material:Silicone -Size:7.80X7.80X2.20cm/3.07X3.07X0.86in -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. -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 silicone material, this hand finger strengthener wear resistant 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. 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 silicone material, this hand finger strengthener wear resistant for long serving time.