Vertical Packing Cubelet Backpack 4 o-rings in the main

4 o-rings in the main pocket

or use that compartment to carry your laptop in a Cache

Feeding the excess webbing into the hidden rabbit hole takes a little bit of time and effort

Built for carrying only the essentials: a few credit cards

but don't let your dog chew on it

Vertical Packing Cubelet Backpack 4 o-rings in the mainA vertically oriented compact cube that keeps your essentials organized. The VPC (Vertical Packing Cubelet) is a pretty simple design: a 1. 25L all fabric, vertically oriented cube. Two o rings on the exterior for attaching to a key strap, shoulder strap, carabiner, or handle loop. One o ring on the inside so you can continue your TOM BIHN Matryoshka esque nesting organizational system. Small, simple, well made, and handy.