Rock Stuff Sack

7 reviews
$6.00 Weight 0.13 oz / 3.7 g


Lead Time Ships in About 1 Week

Make bear bagging easy with this rock sack. Just put a small rock, sand, or gravel in it, tie your bear line to it, and toss it over a branch. Constructed from ultralight but durable 1.6 oz/sqyd Dyneema® Composite Fabric to resist abrasion and punctures.

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

*Rock Sack colors are random and may be any of the Dyneema® Composite Fabric colors we have in stock.*

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

  • Constructed from 1.6 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)

1.6 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. Dyneema® Composite Fabric has very high tensile strength for its weight and does not stretch.


1.6 oz/sqyd Dyneema® Composite Fabric 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.
Customer Reviews
5.0 Based on 7 Reviews
Write a Review Ask a Question
  • Reviews
  • Questions

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
  • cord
  • rock bag
  • string
SB
09/15/2020
Sierra B.
United States United States
good product

rock stuff sack is lightweight and made with sturdy material to hold potentially abrasive and heavy material

AD
09/11/2020
Alex D.
United States United States
Keep Bears Safe!

Great, durable rock sack. Don't waste time trying to tie string around a rock. Perfect for storing cord, too.

CG
07/10/2020
Casey G.
United States United States
Great quality!!!

Absolutely love the rock sack. Its tough and lightweight

DM
02/13/2020
Dean M.
United States United States
Another great Zpacks product

Who knew that a Rock Stuff Sack is a thing? And that you can get one in DCF (Cuben)? Love it.

JD
02/05/2020
jake d.
United States United States
Excellent Quality:

Zpack Equipment is great quality and light weight. I recommend this brand over anything else.