How much weight can the line hold?

Both Dyneema SK75 and Samson Zing-It have breaking strengths well over two hundred pounds, far exceeding the load of a typical backpacking food bag. The mini carabiner and pouch construction are also rated for the forces involved in a standard bear hang.

What's the difference between the two line options?

Lawson Ultraglide is uncoated Dyneema that glides over bark with less friction and includes reflective and orange tracers for nighttime visibility. Samson Zing-It has a urethane coating for better abrasion resistance and near-zero stretch, which helps when hauling heavy loads. Both pack small and resist kinking.

Do I need to add rocks or is weight included?

The pouch is empty when it arrives. You fill it with a rock, dense stick, or other natural weight at your campsite, then empty it after your hang is complete. This keeps the kit ultralight during transit and eliminates the need to carry dead weight between camps.

Will this work with any food bag?

Yes. The mini carabiner clips to the loop or handle on most roll-top dry bags and stuff sacks. Hyperlite designs this kit to pair with their Roll-Top Food Bag, but it functions with any bag that has an attachment point.

Is the pouch waterproof?

The Dyneema Composite Fabric sheds water completely, so the pouch and line stay dry even in rain. The drawstring closure is not sealed, so if you submerge the bag or fill it with something porous, water can enter through the opening.

Rock Bag Kit

waterproof

The 3-second version

Weighted Dyneema pouch throws line over branches for overhead food storage
Choose Lawson Ultraglide for low-friction glide or Samson Zing-It for abrasion resistance
Fifty feet of cordage and mini carabiner included for complete hang setup
Requires trees with suitable branches
Technique takes practice
Not a bear canister replacement where canisters are required

Why it's on GiftsFeed

Ultralight bear bag hang kit with throwing pouch and premium cordage

Most backpackers carry rope and improvise a throw weight from whatever's lying around camp, which means fumbling with knots in the dark and losing half an hour to a tangle. This kit gives you a purpose-built pouch that holds any rock securely, plus cordage engineered to resist snags and slide cleanly through bark. The Lawson option glows under headlamp, so you can retrieve your line after sunset without crawling through the underbrush. It's the difference between a food hang that works on the first toss and one that tests your patience after a long day on trail.

Good gift when

Backpackers who hang food to keep wildlife out of camp
Thru-hikers looking for a compact alternative to bear canisters
Lightweight campers who prioritize packable, multi-use gear
Anyone camping in areas requiring overhead food storage

Skip it if You're camping where trees are scarce or branches are out of throwing range, or you prefer the simplicity of a bear canister over rigging a hang system each night.

Specs

Material: Dyneema Composite Fabric 1.3
Line Length: 50 feet
Line Options: Lawson Ultraglide Bear Line (Dyneema SK75) or Samson Zing-It (urethane-coated)
Included: Mini carabiner

What's included

Rock Bag throwing pouch
50 feet of bear line (Lawson Ultraglide or Samson Zing-It)
Mini carabiner

If you're giving it

No sizing to guess

Ships as a compact pouch and coiled line; consider pairing with a food storage bag for a complete system.

The maker

Hyperlite Mountain Gear builds ultralight packs and shelter systems in Maine, where the Appalachian Trail meets some of the wettest, coldest conditions in the lower forty-eight. Their fabric choice—Dyneema Composite—shows up in sailing and racing applications where weight and durability can't compromise. The Rock Bag applies that material to a problem every long-distance hiker faces: securing food without adding bulk or sacrificing reliability over hundreds of miles.

The details

Getting a line over a high branch is the difference between a secure food hang and a long night worrying about animals. This kit pairs a weighted throwing pouch with fifty feet of specialized cordage and a mini carabiner, so you can rig an overhead hang quickly and store the whole system in one place.

The pouch itself is sewn from Dyneema Composite Fabric, a material that sheds water and survives repeated impacts without tearing. You fill it with a rock or dense stick at camp, throw it over a suitable branch, then retrieve your line after the bag pulls it through. The drawstring closure keeps the weight inside during the toss and opens easily when you're done.

Two line options handle different priorities. Lawson Ultraglide Bear Line uses uncoated Dyneema SK75, a fiber that slides over bark with minimal friction and glows orange and reflective in headlamp light. Samson Zing-It applies a urethane coating for abrasion resistance and near-zero stretch, which helps when you're hauling a full food bag up twenty feet. Both lines resist kinking and pack down small inside the pouch when not in use.

The included carabiner clips the line to your food bag or storage sack, then stows on the drawstring when you break camp. The entire kit weighs less than most knives and fits in a jacket pocket, so it travels without protest on long trips where every ounce counts.

Hyperlite Mountain Gear

Rock Bag Kit

Weighted Dyneema pouch and fifty feet of line for secure overhead food storage

$32at hyperlitemountaingear.com

Choose an option

Quantity

Buy from Hyperlite Mountain Gear

Ships and sold by Hyperlite Mountain Gear. About this merchant

The 3-second version

Weighted Dyneema pouch throws line over branches for overhead food storage
Choose Lawson Ultraglide for low-friction glide or Samson Zing-It for abrasion resistance
Fifty feet of cordage and mini carabiner included for complete hang setup
Requires trees with suitable branches
Technique takes practice
Not a bear canister replacement where canisters are required

Cheaper alternatives

Questions

How much weight can the line hold?: Both Dyneema SK75 and Samson Zing-It have breaking strengths well over two hundred pounds, far exceeding the load of a typical backpacking food bag. The mini carabiner and pouch construction are also rated for the forces involved in a standard bear hang.
What's the difference between the two line options?: Lawson Ultraglide is uncoated Dyneema that glides over bark with less friction and includes reflective and orange tracers for nighttime visibility. Samson Zing-It has a urethane coating for better abrasion resistance and near-zero stretch, which helps when hauling heavy loads. Both pack small and resist kinking.
Do I need to add rocks or is weight included?: The pouch is empty when it arrives. You fill it with a rock, dense stick, or other natural weight at your campsite, then empty it after your hang is complete. This keeps the kit ultralight during transit and eliminates the need to carry dead weight between camps.
Will this work with any food bag?: Yes. The mini carabiner clips to the loop or handle on most roll-top dry bags and stuff sacks. Hyperlite designs this kit to pair with their Roll-Top Food Bag, but it functions with any bag that has an attachment point.
Is the pouch waterproof?: The Dyneema Composite Fabric sheds water completely, so the pouch and line stay dry even in rain. The drawstring closure is not sealed, so if you submerge the bag or fill it with something porous, water can enter through the opening.