Description Size 13.7*7.8*6.8cm Material: Polycarbonate commonly used abbreviation PC Polycarbonate is a common material in daily life. Due to its colorless transparency and excellent impact resistance, common daily applications include compact discs, spectacle lenses, water bottles, bulletproof glass, goggles, bank bulletproof glass, headlights, etc. Polycarbonate is also used to make helmets for moonwalkers. Applicable to: all kinds of frames with bottle cage mounting holes Specifications: Height: about 137mm, width: 73mm80mm Color: as shown Features: 1. Strong toughnesscontinuous, continuous folding, no breaking, crushing, and extrusion are all good. We use [polycarbonate] as the main raw material. Our usual glasses, bulletproof glass, goggles, bank bulletproof glass, headlights, etc. are all made of this material. 2. Protect the water bottleprevent scratching water bottle [Small friction coefficient] Generally, the water bottle is made of plastic, and the friction coefficient between plastic and plastic is much smaller than that between plastic and metal (aluminum bottle cage). Very good protection of the kettle. 3. Good flexibility [Eat a larger kettle] Because the material is very flexible, the size of the kettle is not very high. Generally, the kettle of normal size can be used easily. Notes: 1. Please allow slight chromatic aberration in the photo 2. Due to manual measurement, the size may be deviated Package Included: 2pcs bottle cage