1. made of high quality sponge, durable, non-, soft and comfortable to ride. 2.Bike handlebar is ergonomically designed to hold firmly even in , making you or your kids feel soft and comfortable. 3.Suitable for handlebars of bikes, cruisers, e-bikes, folding bikes, racing bikes, mountain bikes, tricycles, pedal bikes or children's low-speed bikes. 4.The grips will work well in extreme hot weather without melting, fading or leaving residue. Caution. Please brush a small amount of soapy water, detergent water or car wax on the grips as a lubricant. Do not put the grips too hard on the bike handle when you get them. (Because friction can easily cause the handle to break). Inner diameter: about 22.2mm Colour:black Material:Sponge and plastic Size:7 x 8 x 13cm Package Contents: 2 x grips Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.