Strap Pack - ideal for carrying shop vacuums, 5 gallon buckets, fishing gear, sleeping bags, sleeping mats and water coolers and so much more on your back! Its a padded back harness with adjustable shoulder straps and adjustable length velcro straps for attaching and hauling heavy oversized loads. It fits any 3 to 6 gallon cylinder size item. Our Black, Gold and Blue Camo colors are the same style.