Sea to Summit Ultra-Sil Dry Sack - 20 Liters

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We made the mistake once of throwing everything into our backpack willy-nilly. Then it started raining. Then we couldn't find our raincover. Everything got wet, and we mean everything. Now, we don't go camping without dry sacks, and the 20 Liter Ultra-Sil Dry Sack from Sea To Summit is the best of the best. This bag's siliconized high-tenacity CORDURA® nylon fabric is exceptionally tough, It's seam-sealed and water-resistant, and keeps your stuff dry. The slippery finish lets your belongings slide in and out easily, and the non-wicking Hypalon roll-top closure seals items inside.


  • Ultra-Sil 30 denier siliconized high-tenacity CORDURA® nylon fabric for exceptional strength
  • Ultra-Sil fabric has a 2,000 millimeter waterhead
  • Non-wicking Hypalon roll-top closure with stiffener at the top for a better seal
  • Fully seam-sealed for water-resistance
  • Translucent for easy visibility of contents
  • Slippery finish for easy packing
  • Round base design in all sizes
  • Delrin side release buckle for a positive click on closure


  • Avg. weight: 50 g (1.8 oz)
  • Volume: 20 liters
  • Dimensions: 10 x 24 in

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