Features: Secure Magnetic Quickly Release Bike Water Bottles Polyethylene terephthalate component ensures safe hydratation and instants bottles fixation during intense cycling. Consist of corrosions resistant Polyethylene terephthalate and reinforced nylons/fiber buckles, smooth drinking and vibration proof stability. For cyclists, mountain bikers, and outdoor lover needing reliable hands freely hydratation solution during high intensities activity. Effortlessly attaches to bike frame or backpacks for trail, commuting, or fitness training with its magnetic snap on mechanism. Three size elections adapt to varying workout durations while maintaining leakproof performances. Specifications: Color:Three Elections Dimension:234×81mm/9.21×3.19in Component:Polyethylene terephthalate Package Includes: 1set Magnetic Bike Water Bottles note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.