This is a colorful, lightweight and handy kettle holder for most bikes that can easily fit into a water glass with a rounded edges that won't hurt your hand. Features: Using glass fiber nylon material, it has fine strength and toughness, extensibility, stability and scratch resistance. Quick and easy access to your bike water bottle when you need it. Fits most standard bike water bottles. Integrated molding design, smooth line. Easy to install and disassemble, quick-release bottle holder hugs your water bottle firmly to prevents drop during cycling. Specifications: Color: black, red, blue, green, grey (optional) Material: glass fiber nylon Item size: 148 * 85 * 78mm / 5.8 * 3.3 * 3.1in Item weight: 34g / 1.2ounce Package size: 180 * 90 * 90mm / 7.1 * 3.5 * 3.5in Package weight: 44g / 1.6ounce Packing List: 1 * Bicycle Cup Holder