Rock Stuff Sack

$6.00 Weight 0.13 oz / 3.7 g
Lead Time 1 Week

Make bear bagging easy with this rock sack. Just put a small rock, sand, or gravel in it, tie your bear line (link to 2.0 slick line) to it, and toss it over a branch. Constructed from ultralight but durable 1.43 oz/sqyd Dyneema Composite Fabric to resist abrasion and punctures.

This is also available as part of a Bear Bagging Kit .

Need a different size? Check out the rest of our Stuff Sack collection.

  • Constructed from 1.43 oz/sqyd Dyneema Composite Fabric which is thicker and stronger than our other stuff sacks to resist abrasion and punctures. The color is random and is typically blue or olive drab.

  • Stuff sacks can easily be patched with Dyneema Composite Fabric Tape.


  • Also check out our Dry Bags for a slightly heavier, but more abrasion and water resistant way to protect your critical items from the elements.


  • All Zpacks gear has a two year limited warranty against defects in materials or workmanship. Please see our return / warranty policy.


  • Made in the USA.

Full / Closed Dimensions:

2.5" x 2.5" x 2.5" (6.5 cm round)

1.43 oz/sqyd Dyneema Composite Fabric

Dyneema Composite Fabric is composed of high strength Dyneema fiber laminated inside a polyester membrane. It is inherently waterproof and does not require any coatings or DWR treatment. DCF has very high tensile strength for its weight and does not stretch.

1.43 oz/sqyd DCF has a thicker membrane and a higher Dyneema fiber count. This fabric weight has excellent abrasion and puncture resistance.


Tensile Strength:
 210 lb/in (1840 N/5cm)

Puncture Strength: 5.2 lb (23 N)

Water Resistance: >20,000 mmH₂O

Made in the USA.