Features1[Good Elasticity] The material has good elasticity and can be placed in various sports water cups of different sizes, closely fitting, and will not fall. 2[High Toughness] We use high elastic TPR engineering resin as the main material, which has very strong toughness, not easy to break. 3[Protecting Kettle] The coefficient of friction between the holder and the kettle is much smaller, and playing a good role in protecting the kettle. 4[Black Color] Design with black color, the bicycle water bottle cage looks cool and textured, and it can match with most types of mountain bikes. 5[Wide Application] The kettle rack is designed for mountain bikes and road bikes, suitable for cycling or training, practical and convenient.SpecificationItem Type:BikeWaterBottleCageMaterial: High Elasticity TPR Engineering Resin (High Toughness, Not Easy to Break)Package List1 xBikeWaterBottleCage