Multifunctional Outdoor Folding Backpack - Lightweight, Waterproof, Durable for Walking, Running, Hiking, Riding, Travel and more.

This Vanaheimr bag folds down and fits into a tiny pocket size bag (provided). When unfolded it expands to 30cm x 27cm x 14cm to fit the basics in and folds down again when you're done. The bag itself has a double zip and its outer bag has a closable toggle. Comes in black or blue.