Description: Material: plastic core Size:14*8*8.5cm/5.5*3.1*3.3" Color:black -- The toughness of the product is super strong, and it will not deform and break when encountering strong impact. -- Weighs only 26 grams, comparable to carbon fiber water racks. -- Plastic material, it is not easy to scratch the water bottle compared to other aluminum alloy water racks! Perfectly streamlined for carrying plastic and aluminum alloy water bottles, lightweight and suitable for all kinds of mountain bikes and road bikes. NOTE 1. As we all know ,the different computers display colors differently,the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size ,you can feel free to contact mewe will give you some suggestion,but it is for you reference only. 3.We could accept Mixed items,Colors And Sizes Order. The more quantities, the more discount. Package include: 1 pcs* Cycling Water Bottle Holder 2 pcs* Matching screws _x000D_ _x000D_ Thank you for your attention, You can contact with us to get more detail of the goods .If you need more this item ,you can contact us.we will give you our best price. Leave your message! _x000D_