A weather resistant mountain bike seat pack to carry the bare essentials. Seamlessly molded EVA foam with 600 Denier Polyester, the ProPack has a sleek profile and is super lightweight. 360° reflective piping increases visibility for added safety. QuickClick™ compatible for fast, easy transfers between bikes.Capacity0.43 L / 26 ci.Material600 Denier Polyester & EVA Foam.Bag AttachmentQuickClick™ Mount (F25).Added Features3M™ Reflective Piping (* 3M™ is a registered trademark of 3M Company.),Extra Water Repellency and,Resistance to Staining.Size (L x W x H)14 x 9 x 8.5 cm,5.5” x 3.5” x 3.3”.Weight78 g / 2.75 oz.