The Sea to Summit Ultra-Sil Dry Sack now with a clear TPU window to easily view the contents inside. The TPU window is RF-welded into the side panels of the dry sack. The RF welding produces a bond as strong as the materials being joined.

• Ultra-Sil 30 D siliconized high-tenacity CORDURA nylon fabric for exceptional strength
• Ultra-Sil fabric has a 2,000mm waterhead
• Hypalon roll top closure does not wick moisture
• Siliconized fabric for extra strength, durability and a smooth finish for easy packing
• Polyurethane coated and fully seam sealed for ultimate water-proofness
• Reinforced stitching for greater seam strength on all stress points
• Super compact and ultra lightweight
• Round base design in all sizes
• Suitable to keep contents dry in any wet situation where the bag is not submerged
• This product is not intended for boating or marine use