Thyrm CellVault Battery Storage Can store: 3 CR123, 4 AAA, or 2 AA batteries; survival and first aid gear; consumables; money & flash drive. Decreasing diameter keeps CR123 batteries at the bottom even when the Cell Vault is inverted. Just squeeze the sides to release CR-123s. Attaches to MOLLE, webbing, & straps. It has lanyard loops at both ends. Dimensions: &lt;1 column of MOLLE wide, 4 in long, inner cross sectional ellipse averages 0.86 x 0.67 in. Waterproof. The CellVault is not designed to be waterproof under prolonged submersion; it is not designed for diving. Users should check the lip and o-ring of the CellVault for debris or wear that could prevent it from being waterproof over time. Three CR123 batteries Four AAA batteries Two AA batteries Small survival gear such as matches, hooks and line, a light stick, iodine tablets, a compass, and lip balm First aid gear including hemostatic clotting agents, tweezers, and bandages Consumables* such as medication, instant coffee packets, electrolyte powder, candy Emergency money and a Flash Drive Cigar/Cigarettes/chewing tobacco