Waterproof Box First Aid Medicine Bottle , Black

Material: 6061 lightweight aluminum alloy material

Dimensions: external volume (full length 10cm diameter 3.1cm), effective space (length 7.9cm diameter 2.8cm)

Net weight: 69g

This waterproof tank has an outer length of 10cm and an inner length of 7.9cm. It is more than enough to plug an 18650 lithium battery. Small items such as hook line, tinder, emergency medicine, banknotes, etc. can be placed. Attached with a rubber waterproof ring, the connection thread is lengthened and encrypted to deepen the waterproof level. The irregular opening [fan shape] of the can opening makes it easier to pick and place internal objects.