Runoff® Waterproof Packing Cube Work Backpack Closed-cell foam adds premium cushioning

Closed-cell foam adds premium cushioning and long-lasting springiness to carry comfortably all day

Carry-on item dimensional requirements vary slightly by airline

There is a write-in section on the hypalon snap loop tail that is compatible with perminant ink

Quick release swivel carabiner

Runoff® Waterproof Packing Cube Work Backpack Closed-cell foam adds premium cushioningRunOff revolutionizes waterproof protection. This Small Packing Cube is perfect for protecting and organizing everything from small electronics to mess prone items like makeup. Waterproof, dustproof, and compressible, this small packing cube is convenient and compact. ; RunOff revolutionizes waterproof protection. This Medium Packing Cube is large enough to fit clothes for a weekend trip, but small enough to fit perfectly in backpacks and carry ons.