Our Hand Grip Strengthener Rings are the perfect tool to improve your grip strength. Made of safe and durable materials, these rings offer enhanced grip and perfect sizing for even pressure. Their double strength construction ensures they're not easily damaged. Get stronger grip without sacrificing safety and quality! Bullet Points 1.Easy Cleaning: Built from food-grade silicone, our hand grip strengthener rings are safe, washable, and easy to clean. You'll enjoy a comfortable and healthy workout experience, while also doing your part for the environment, with these odorless and eco-friendly rings. 2.Superior Grip: Elevate your hand grip strength with our hand grip strengthener rings boasting anti-slip and anti-sweat silicone material. The non-slip texture and convex finish on the outside ensure a comfortable hold and provide exceptional grip and resistant for your fingers, palms, and wrists, giving you the enhanced grip you need. 3.Comfortable Ergonomic Grip: Achieve great results effortlessly with our hand grip strengthener rings. The ergonomic design allows for even pressure, while the perfectly sized circular design delivers a comfortable grip. 4.Enhanced Durability: Made from wear-resistant and elastic solid silicone, these hand grip strengthener rings are not easily damaged and provide good rebound with no distortion. 5.Strength Building: Our hand grip strengthener rings have double strength and incremental training, which aids in building and firming hand and arm muscles, improving finger dexterity and strength Specifications Product Name: hand grip strengthener ringsMaterial: SiliconeProduct Size: Thickness: about 25mm/0.98 inchesDiameter: about 78.5mm/3.09 inchesWeight: about 75g(20-30 lbs) LB=(9-14)KG is suitable for children and people who need hand recovery training(30-40 lbs) LB=(14-18)KG is suitable for elementary school and old people as well as little girls(40-50 lbs) LB=(18-23)KG is suitable for middle school and ladies(50-60 lbs) LB=(23-27)KG is suitable for high school and college and office men(70-80 lbs) LB=(32-36)KG is suitable for men with a good fitness base or greater strength Packing List 1pc of hand grip strengthener ring Notes 1. Due to the monitor color temperature, camera, ambient light and photography skills, some of the pictures of the goods may have a slight color difference, the color in kind shall prevail!2. Due to different manual measurements, please allow a slight size difference.