Direct pressure that stays on after you let go — for the cut that soaks a bandage, not the bleed that needs a tourniquet.
At a glance
10 things to know about the POW Large Pressure Wrap
How the dome works, what POW makes it for, the warnings on the package, and what the evidence covers.
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01
A dome built into the wrap
POW describes a structural pressure dome that delivers targeted, localized compression directly over the wound — steady vertical force on one spot instead of tension spread around the limb.4 The same principle drives the pressure bar on the Emergency Bandage, which raised pressure directly under the bar without raising it around the rest of the limb.7
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02
The dome must be bigger than the wound
POW's rule for best results: the dome must cover the wound entirely.4 The Large wrap's dome is 2 in.; a wound larger than that needs a dressing with a pad that covers it, and a deep wound needs packing.
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03
Four inches wide, 54 inches long
The elastic is 4 in. × 54 in., built for the arm and leg.3 POW's smaller sizes cover fingers, hands and forearms.3
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04
Hands-free once it is secured
Once wrapped and secured, the pressure stays on without your hands3,6 — free to call 911, help a second casualty, or get the injured person moving toward care. In first aid studies, hands on the wound still stopped bleeding faster than pressure dressings;9 the dressing's value is keeping that pressure on when your hands are needed elsewhere.
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05
Made for minor to moderate bleeding — not a tourniquet
POW's labeled scope is temporary first-aid control of minor to moderate external bleeding of the limbs, and the package states it is not intended for use as a tourniquet.4,5 Blood that is spurting, pooling or soaking through gets a tourniquet if it is on a limb, packing if the wound is deep, and a 911 call.1,10 A bleeding kit carries four products for four jobs: tourniquet, packing gauze, pressure dressing and chest seal.
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06
Never on the neck, trunk or head
POW warns that tight compression there can restrict breathing or blood flow to vital organs.4
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07
The package sets a time limit
The warning panel directs leaving the wrap in place until bleeding stops, not to exceed one hour, and seeking medical attention immediately after applying it.5
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08
Watch the fingers and toes
Check beyond the wrap for coldness, loss of color, numbness or tingling, and loosen it immediately if any appear; the package adds increased pain and swelling to the list.4,5 In a simulation study, providers' own sense of how tight they had wrapped did not match measured pressure — check, do not guess.8
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09
Sterile, sealed and chemical-free
Each wrap is sterilized and vacuum-sealed in a protective barrier package, sterile unless the seal is punctured.4,5 There is no hemostatic agent — POW calls the line chemical-free; the dome and the wrap do the work.6
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10
Not on the evidence-based list — and neither is any pressure dressing
The Evidence-Based Standard Devices & Adjuncts list names tourniquets and hemostatic dressings, not pressure dressings of any brand.2 Absence from the list does not by itself mean a product was tested and failed. POW describes the line as an FDA-registered Class I medical device with a patented dome.6
How to apply the POW Large Pressure Wrap
POW's three steps, with the bleeding-control decisions that come before and after them.
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1Decide what the bleed needs. Spurting, pooling or soaking through on a limb: tourniquet first — high and tight over clothing under threat or when the source cannot be seen, then on bare skin 2–3 in. above the wound once exposed, never across a joint — and call 911.1 A deep wound, or one in the groin, armpit or neck: pack it first.
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2Pack and hold if it is deep. Power ball onto the bleeding vessel, every corner packed tight, then hold pressure — hemostatic gauze at least 3 minutes or its labeled time, plain gauze at least 10, and until the bleeding stops; best practice is to hold until relieved.1 Never pack the chest or abdomen.
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3Size the wound. The 2 in. dome must be larger than the wound.4
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4Position. Set the dome directly over the wound.4
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5Secure. Secure the starting end and keep the dome over the wound to maintain compression.4
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6Wrap. Wrap around the limb and secure the wrap, adjusting tension so it holds pressure without impairing circulation.4
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7Check beyond it. Fingers or toes cold, pale, numb or tingling: loosen it immediately.4
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8Get care, and handle seepage right. Seek medical attention after applying it; do not exceed one hour.5 If blood seeps through a superficial wound, or one not deep enough to pack, leave the wrap and add gauze and manual pressure on top.4 A packed wound that keeps bleeding is unwrapped and repacked.
Where it fits
- Minor to moderate bleeding on an arm or leg — the cut that soaks an adhesive bandage4
- Wounds smaller than the 2 in. dome4
- Keeping pressure on so your hands are free for the phone or another casualty3
- Home, vehicle, workplace and outdoor kits, beside a tourniquet and packing gauze6
- Life-threatening limb bleeding — tourniquet first1,5
- Deep or junctional wounds before they are packed — never pack the chest or abdomen
- The neck, trunk or head4
- Wounds larger than the dome4
- Use longer than one hour5
The evidence
None of these studies tested a POW dressing. They test the principle — a rigid pressure element under an elastic wrap — and pressure dressings in general.
| Study | Evidence type | What was studied | What it found |
|---|---|---|---|
| Shipman & Lessard, Mil Med 20097 | Pressure measurement | Emergency Bandage with and without its pressure bar; sensors under the bar and at 90°, 180° and 270° around the bandage | The pressure bar raised pressure directly under it without raising it elsewhere under the bandage; fingertip refill and radial pulse stayed adequate |
| Brauckmann et al., Eur J Trauma Emerg Surg 20268 | Simulation · pressure sensors | 116 pressure-dressing applications by emergency providers over calibrated sensors | Maximum pressure 50–412 mmHg; Israeli bandages highest and over 250 mmHg in 28% of applications; self-assessment did not correlate with measured pressure |
| Charlton et al., Prehosp Emerg Care 20219 | Systematic review | 107 studies of bleeding-control methods available to first aid providers | Direct manual compression reached hemostasis faster than pressure dressings or devices; certainty very low |
| AHA & American Red Cross, Circulation 202410 | Expert guideline | 2024 Guidelines for First Aid — life-threatening bleeding | Direct pressure first, followed by a tourniquet or wound packing if the wound location allows |
Strongest to weakest: guidelines and systematic reviews, then measurement and simulation studies. The pressure-bar study is the closest test of the dome principle; it tested a different product.
How it compares
The POW line runs from a finger strip to this wrap — pick the size by wound size first.
| Finger strip | 2 × 5 in. strip | 11 × 3 in. wrap | Large wrap | |
|---|---|---|---|---|
| Size | 4.5 × 1.5 in.5 | 2 × 5 in.3 | 11 × 3 in.3 | 4 × 54 in.3 |
| Pressure dome | Sized for a finger | 1 in.3 | About 1 in.3 | 2 in.3 |
| Format | Adhesive wraparound strip6 | Adhesive strip6 | Flexible adhesive wrap3 | Elastic wrap3 |
| Best for | Finger cuts | Small wounds of the hand, wrist and forearm | Mid-size wounds of a wrist, forearm or lower leg | Larger wounds of an arm or leg |
| Sold at MED-TAC as | 3-pack | 3-pack | Part of the POW Essentials Pack | Single sealed wrap |
| evidence-based standard | No | No | No | No |
Sizes from POW's product information and package labeling.3,5 POW's rule for every size: the dome must be larger than the wound.4 The evidence-based list names no pressure dressing of any brand.2
Build the system
The tourniquet and packing that come first, the other wraps and dressings, and the rest of the POW line.
Questions buyers ask
Package & specifications
Specifications coming soon. Contact us for detailed product information.
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