1. An accessory for our customers to conveniently secure their bottle for outdoor sports. --2. Practical design and easy to install --3. Made of high quality PVC --4. Useful for bikes that don't have a holder or inadequate for a frame holder --5. Convenient to get drink from a bottle holder --6. Simple and practical design --7. Small size and light weight --8. Robust structure, prevent deformation damage --9. Suitable for varied types of bikes, including mountain bike and folding bike --10. Color: Black, Package includes: 2 x Bottle cage