【Water-Resistant Design】Features a splash-proof construction to protect your belongings during rides in various weather conditions. 【Non-Obstructive Fit】Engineered to avoid interfering with leg movement, ensuring a comfortable riding experience. 【Premium Construction】Made with high-quality PU material and EVA hard shell for durability and shape retention. 【Organized Storage】Includes an internal mesh pocket for easy organization of your cycling essentials. 【Secure Closure】Equipped with a waterproof zipper to keep contents dry and secure during your ride. 【Versatile Compatibility】Suitable for road bikes, mountain bikes, and folding bikes, making it a versatile choice for various cycling styles. 【Stable Mounting】Features a triple magic tape strap system for a firm and reliable attachment to your bike frame. Specifications: Model: B61 Material: PU with EVA hard shell Dimensions: Approximately 24.5cmx10cmx8cm Capacity: 1.5L Mounting Method: Triple magic tape strap system Compatibility: Road bikes, mountain bikes, folding bikes Features: Water-resistant, internal mesh pocket, waterproof zipper