(QuickClick(TM))Protect your gear while riding in wet conditions. The Wedge DryBag is made from a tough, waterproof material, which is sonically welded and seam sealed to provide the ultimate protection in nasty weather. Roll closure keeps water and mud out and contents dry. Mounts and removes quickly with our innovative QuickClick(TM) System. Attachments QuickClick(TM) (F25) Capacity 1.5 L / 91.5 ci Material 210 Denier and 420 Denier Nylon Waterproof Fabric, Sonically Welded Seams Insulation Rigid EVA Foam Added Features Safety Light ClipReflective Printing Seatpost Diameter Fits ;25.4 - ;34.9 mm Size (L x W x H) 23 x 11 x 13 cm9.1" x 4.3" x 5.1" Weight 235 g / 8.27 oz Art.no. TT9822B