Restrap Saddle Pack. Features: A rigid internal structure keeps the bag stable, no matter how full or empty it is Redesigned attachment straps mean that the bag sits snugly against the saddle and seatpost 1000D Textured Nylon, TPU Coated Nylon, Hypalon 100% handmade in Yorkshire, England Third party online sales strictly prohibited by manufacturer Specs: Model:Saddle Pack Mount:Strap Capacity:275 Cu In (4.5L) Dimensions:32x14x14cm Color:Black Weight:280g