The “back panel” is what the shoulder straps are attached to; on this type of bag, it serves as the main compartment’s “lid.” Illustration: Sarah MacReading Compression straps, Positioned on the perimeters of your pack higher than the water bottle pockets, is usually used to maintain taller bottles additional safe. https://tencologia-facile41994.tokka-blog.com/29152491/vacuum-sealer-bags-clothing-secrets