Baiyu Bicycle Water Bottle Cage Holder and Bike Water Bottle 750ml Aluminum Alloy Rack Bracket Universal Drink Bottle Mount Carrier Cycling Handlebar Component Support Kit+CE Standard 4 Colors Both of the water bottle and water bottle cage are made from high quality heat-treated aluminum alloy, very lightweight to carry. The Bottle Cage is made for holding water bottles on bikes. It can keep bottles securely in place during cycling. There are wholes for screw to mount it to your bike, very easy. No worries it would drop off the bike. Material of water bottle is very secure, eco-friendly and environmental. Even under the sunshine, it will not produce any peculiar smell. It is seamless, leak-proof and durable for tense impact, high temperature, and anti-corrosion for tartaric acid, alcohol, tea, etc. The water bottle does not contain any lytic agent. Its quality has reached the International CE Standard. With both the water bottle and bottle cage, you would feel so convenient to drink water during cycling or other sports. Size: The Bottle Cage is designed for most standard water bottles. The Water Bottle is 750ml, weighs 0.1kg, 7.5cm diameter * 25cm height. Colors of both products: black, silver, blue, red. Package: 1 * bottle cage + 1 * water bottle. Note: Please know the color of the bottle cage and the water bottle would be the same to deliver when you order this pair of product.