Bullet Points:
1.Sturdy and Washable: This hand grip strengthener made from sturdy high-quality silicone materials provides a washable and wear-resistant elastic grip for safe and long-lasting use. Its unique features make it effortless to train with and won't easily deform or damage.
2.Resistant to Slipping: With concave and convex textures on the outer surfaces, this anti-slip design hand grip strength trainer brings you all-round force for hand strength training and is sweat-proof.
3.Ergonomic Comfort: With an ergonomic design, this grip strengthening ring provides uniform force and a comfortable grip, fitting your palm and fingertips .
4.Useful and Practical: This hand exercise grip strengthener features double strength, allowing you to tighten hand muscles progressively, exercise hand muscle strength, and improve finger flexibility.
5.Widely Applicable: Designed to provide a maximum grip, our hand grip strengthener is the ideal tool for boxing lovers, athletes, pianists, and musicians, and is widely applicable for weak hands and rock climbing workouts.
Improve your grip with our hand grip strength trainer made of high-quality silicone materials. fitting your palm and fingertips, it features double strength to bring you all-round force for hand strength training. Ideal for musicians and athletes.

Specifications:
Product name: Hand grip ring
Material: Silicone
Product Size:
thickness about 25mm / 0.99inches
diameter about 78.5mm / 3.09inches
Weight about 75g
(20-30 pounds) LB=(9-14)KG Suitable for children and those who need hand recovery training
(30-40 pounds) LB=(14-18)KG Suitable for elementary school, the elderly and little girls
(40-50 pounds) LB=(18-23)KG Suitable for middle school and women
(50-60 pounds) LB=(23-27)KG Suitable for high school, college and office men
(70-80 pounds) LB=(32-36)KG Men with good fitness foundation or strong strength

Packing List:
1pc * hand grip strengthener ring

Notes:
1. Due to the lighting effects and photographing angles, there is a color difference in the product, please understand.
2. Due to manual measurement, there is a tolerance in the product size.