Product size about : 12.5*3.2cm/4.9*1.2 Product color: As shown in the figure Product material:Silicone product features: Strong Magnetic Design​​ – The bike water bottle holder features a powerful magnet for quick and easy access. Simply grab and place your bottle without any hassle, making hydration effortless during rides. ​​Secure & Stable​​ – The silicone strap and buckle design ensure a tight grip, preventing your bottle from falling even on bumpy roads. Enjoy a smooth ride without worrying about spills. ​​Universal Compatibility​​ – Fits most bikes, including road bikes, mountain bikes, folding bikes, and even skateboards or backpacks. Works with round tubes (30-60mm) or standard bottle cage screw holes. ​​Quick & Easy Installation​​ – No tools needed! Attach it in seconds using the adjustable strap or screw it on for a permanent setup. Perfect for riders who want flexibility. ​​Lightweight & Sturdy​​ – Made from high-quality materials, this holder is both sturdy and lightweight, adding minimal bulk to your bike while keeping your water bottle within Easy to take. Precautions: 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 contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 pc Bicycle magnetic bottle cage(Does not include a kettle)