<p><b>Healvaluefit oxygen cylinder backpack</b> made carrying your required oxygen bottle much easier.</p> <p>Six grommets to allow the tubing through the tank backpack.</p> <p>This O2 backpack is well made and zippers are great quality as well.</p> <p>Provides a balanced, hands-free way to carry O2 bottle easily.</p> <p>There's enough room inside to put the O2 cylinder and a pocket on the outside is big enough to carry incidentals.</p> <p>Great for walking, shopping, climbing, and travel. The oxygen tank backpack allows you to walk and go grocery shopping in a normal manner.</p>