Features: It's ergonomically designs for right and left use, allowing each finger to fit better on grip for stability while kayaking. Nonslip texture on grip reduces grip of the hand, allowing the hand to great fit, effectively preventing blister and calluses. And the internal antislip texture design greatly enhances the frictions, so that grip is firmly attach to paddle handle, allowing you to paddle more smoothly and effectively. Using rubber materials, odorless, nonfading, wear resistance and the soft and comfortable touch provide long terms support for your long strokes. These kayaking oars handle cover is light weight, ensuring they will not add any unnecessary weight to your paddling. Specifications: Materials: Rubber Inner diameter: about 29mm/1.14inch Outer diameter: about 35mm/1.38inch Length: about 180mm/7.09inch Package Includes: 1pair Kayak Paddles Grip note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.