An updated and improved version of our popular traditional wedge pack. The Wedge Pack II features durable 1000 denier, wrap around zipper, extra long 3M reflective strip for added safety at night and a zippered expanding main compartment for added storage. Includes rain cover Expanding Main Compartment 3M Reflective Strip Safety Light Clip Rain Cover Attachments QuickClick (F25) w/Seatpost Strap Capacity 1.25-1.65 L / 76-100 ci Material: 1000 Denier Nylon Seatpost Diameter Fits 25.4 - 34.9 mm Size (L x W x H) 18.5 x 11.5 x 13 cm / 7.3 x 4.5 x 5.1 Weight: 183 g / 6.44 oz