Sea to Summit eVent Compression Dry Sack L (stseventcompdrysackl) – 20L to 6.7L, 9″ x 20″, Waterproof Compression Dry Bag Wharncliffe  100% BPA-Free

  100% BPA-Free

This makes it great for harsh use in the field

not a dry sack

Rear slip pocket

Sea to Summit eVent Compression Dry Sack L (stseventcompdrysackl) – 20L to 6.7L, 9″ x 20″, Waterproof Compression Dry Bag Wharncliffe  100% BPA-FreeSea to Summit eVent Compression Dry Sack L (stseventcompdrysackl) The Sea to Summit eVent Compression Dry Sack L (stseventcompdrysackl) is a different take on the compression dry bag: there is no valve. The base is built from air permeable eVent waterproof fabric, so air is pushed straight out through the bottom as you cinch the straps but water cannot get back in. A 20 liter load compresses down to roughly 6. 7 liters, which is why this sack is a