Freegrace Ultimate Lightweight Dry Sack - Dry Bags for mountaineering bag 5L: 11.8x16"; 10L: 11.8 x 21.3"; 20L: 14.6 x 23.6"; 35L Backpack: 17.32 x 27.16" 500D tarpaulin with rolling top closure, waterproof and durable. Say good bye to water leaking! Removable and adjustable shoulder strap give you the most comfort! Different size(5L, 10L, 20L, 35L) to meet all your waterproof needs while traveling. 100% FREE TRIAL! -Order now and if you dislike it within 90 days, we will buy back from you, 100% RISK FREE!