Hi, Dear little angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. New Aluminum Alloy Bike Bicycle Cycling Drink Water Bottle Rack Holder Cage Features: new and Material: Aluminum Alloy Useful for bikes which have no holder or inadequate for a frame holder Convenient to drink from a bottle holder and practical design Small size and light weight Sturdy structure, from deformation damage Strongly-gripped hinge, fix the holder tightly Suitable for varied types of bikes, including mountain bike and folding bike Color: Black/Silver/Red/Blue/Gold Dimensions: 3.15 x 3.11 x 5.9 inch / 8 x 7.9 x 15cm Fixed with two self-tapping screws (not included) Package Contents: 1 x Bike Water Bottle Holder New Aluminum Alloy Bike Bicycle Cycling Drink Water Bottle Rack Holder Cage Features: new and Material: Aluminum Alloy Useful for bikes which have no holder or inadequate for a frame holder Convenient to drink from a bottle holder