gazigo mini backpack for SimplyGo Portable Oxygen Concentrators This backpack accommodates both the single and double battery while the unit is inside the backpack as well as the storage underneath for an extra single or double battery Dark Chocolate Healthy Back Backpack

Latches can sometimes pop open during the pressure changes of a flight or due to rough handling

Spacious main compartment Internal laptop sleeve fits up to 15" laptops Front utility pocket with organizer Fully padded back panel Straight-cut padded shoulder straps Web haul handle Materials: 100% nylon shell / 100% polyester lining Capacity: 1550 cu in / 25 L Weight: 12 oz / 0.3 kg Dimensions: W 13" x D 8.5" x H 16.75" / W 33 x D 21.6 x H 42.5 cm Style ID: 17787

Consider how you might want to access these items, with multiple designs offering their own pros and cons

Overall dimensions are about average for a day-hiking pack: 51cm height x 29cm width x 29cm depth