Brand : HUALONG Product Name : Bike Water Bottle Holder Material: Nylon And Fiber Only The Surface Has A Fiber Texture Weight : 40 ± 1 G 1 Piece Color : Black Product Size : 15 X 7.4 X 7.6 Cm For Road Bike MTB Bike Gravel Bike ebike Kids Bike Urban Touring Bicycle, General Type ！！！Please Note That The Water Bottle Holder Is Injection Molded From A Mixture Of Nylon And Fiber Materials; Only The Surface Has A Fiber Texture. Be Sure To Check This Before Purchasing. ！！！If You Need To Purchase A Full Carbon Fiber Water Bottle Holder, Please Do Not Buy This One, Thank You!