Features： 1、COMPACT AND PORTABLE: Small and lightweight, easy to use, flexible and elastic, mini retractable, easy to storag or fit in bag or pocket. 2、TEXTURE DESIGN: The body of grip circle has non slip texture, containing non slip particles, can strengthen the hand feel, high practicality. 3、HAND GRIP STRENGTHEN: Strengthen your wrists, improve the dexterity of your fingers. Help balance your grip muscles and your expanding muscles. 4、MATERIAL: Safe Silicone material, no odor, will give you maximum performance, comfortable and durable, design for your hand or fingers. 5、EASY TO CLEAN: When you use it after sweating hands, you can directly rinse with water, simply rinse the surface stains, will become like a new one. Specification： Item Type: Silicone Hand Grip Ring Material: Silicone Type: Approx. 10-14kg / 20-30lb Suitable for entry level or elementary school students to use beginner training or middle school students to use. Package List： 1 x Grip circle