Description: 【Easy Installation and Snug Fit】: The bike saddle bag with quick release design, allows for fast and hassle installation and removal. The sturdy seat tube mounting bracket is sturdy and adjustable 【Spacious Storage Capacity】: Despite its compact size, this 0.3L Bike Seat Bag offers ample space to store all essential cycling items and to keep everything organized for easy access on the ride 【Adjustable Angles for Optimal Comfort】: This saddle bag with its multi angle adjustment feature, this tail bag can be rotated to suit different riding conditions and preferences, providing optimal comfort without compromising on stability or security 【 Waterproof Design】: Bike Seat Pack constructed with polyester nylon material featuring waterproof zippers and cloth, this tail bag is built to withstand the elements. Ride confidently your belongings are protected from rain or splashes during any weather condition 【Package】: Including 1 saddle bag,1 Rotating buckle, 1 Base buckle, 1 Screw,1 Nut,1 Wrench Specification: Material: Polyester Nylon Size Chart: 6cmx6.5cmx14.2cm/2.36inchx2.56inchx5.59inch Package Includes: 1 Set Bike Seat Pack Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.