Ultra-Sil Nano are made of featherweight 15 Denier siliconized nylon with a newly-designed lightweight buckle. Designed for the gram-conscious backpacker, these minimalist dry sacks keep your gear dry and organized inside a pack, yet weigh less than many ‘ultralight’ stuff sacks. Not suitable for boating/marine use.
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Featherweight 15 Denier siliconized nylon