SealLine BlockerLite Dry Sack (2-Pack)search

SealLine BlockerLite Dry Sack (2-Pack)

SealLine BlockerLite Dry Sack (2-Pack)

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Ultralight Dry Sacks

Whether you’re backpacking in rainy weather or spending the weekend at the lake, the SealLine BlockerLite dry sacks will keep your gear safe from whatever Mother Nature throws your way. Available in four sizes and a variety of colors, these bags are made of a lightweight 20d silicone- and polyurethane-coated nylon. The fully welded seams and waterproof roll-top closure create a secure seal that locks out dirt, debris, and moisture. And because these bags won’t let water in or out, you can use them to store wet clothes and gear after an adventure to keep them from soaking the rest of the contents of your pack. Finally, the bags have a rectangular PackTight design, which allows them to be packed more efficiently than rounded bags. 

Note: This drop is for two dry sacks. At checkout, you’ll have your choice of size and color for each: the 2.5L sack (base price), the 5L sack (+ $2), the 10L sack (+ $4), the 15L sack (+ $6), or the 20L sack (+ $8) in blue, green, purple, or yellow. Available colors will vary depending on size chosen.


  • SealLine
  • Material: 20d silicone- and polyurethane-coated nylon
  • PVC free
  • Roll-top closure
  • Welded seams

2.5L BlockerLite Sack

  • Volume: 153 cu in (2.5 L)
  • Dimensions: 5.3 x 2.7 x 9.4 in (13.5 x 7 x 24 cm)
  • Weight: 1 oz (28 g)

5L BlockerLite Sack

  • Volume: 305 cu in (5 L)
  • Dimensions: 6.4 x 3.5 x 11.8 in (16.5 x 9 x 30 cm)
  • Weight: 1.2 oz (34 g) 

10L BlockerLite Sack

  • Volume: 610 cu in (10 L)
  • Dimensions: 8.2 x 4.3 x 14.1 in (21 x 11 x 36 cm)
  • Weight: 1.6 oz (45 g)

15L BlockerLite Sack

  • Volume: 915 cu in (15 L) 
  • Dimensions: 9.2 x 4.7 x 16.1 in (23.5 x 12 x 41 cm)
  • Weight: 1.9 oz (54 g)

20L BlockerLite Sack

  • Volume: 1,220 (20 L)
  • Dimensions: 10.4 x 5.5 x 18.8 in (26.5 x 14 x 48 cm)
  • Weight: 2.1 oz (59 g)


Domestic orders will be shipped by Massdrop.

Estimated ship date is May 22, 2018 PT.

After the drop ends, payment will be collected and the group’s order will be submitted to the vendor up front, making all sales final. Check the discussion page for updates on your order.

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