Features 1、40 TO 50LB GRIP STRENGTH: The grip strength is about 18‑23 kg / 40‑50 lb, suitable for hand and forearm strength training, rehabilitation training, etc. 2、EASY TO CLEAN: Dirt resistant design, can be washed with water, simple and practical. Can be used to strengthen arm strength and exercise your arm. 3、NON SLIP SURFACE: With convex particle design, massage your hands, conform to ergonomic design, easy to hold and operate, considerate and reliable. 4、PORTABLE DESIGN: Light weight and in small size, easy to store and carry, can be easily put into your pocket or bag, perfect for home, office, travel, etc. 5、SILICONE MATERIAL: Grip strengthener adopts great silicone material, soft and skin friendly, safe and odorless, wear resistant and flexible, durable for use. Specification Item Type: Silicone Grip Trainer Ring Material: Silicone Strength: 18-23 kg / 40-50 lb(approx.) Suitable for both men and women daily exercise use Package List 1 x Hand Grip Strengthener