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.Capacity0.3 L / 18 ci.Material600 Denier Polyester & EVA Foam.Bag AttachmentQuickClick™ Mount (F25).Added Features3M™ Reflective Piping,Extra Water Repellency and,Resistance to Staining.* 3M™ is a registered trademark of 3M Company.Size (L x W x H)12.5 x 9 x 8 cm,4.9” x 3.5” x 3.1”.Weight70 g / 2.46 oz.