Cath Kidtson FOLDABLE BACKPACKS are big on function, with an outer zip pocket and handy two-way zip, and big on form too, thanks to their lightweight polyester fabric and easy-to-store foldaway design. I use one, it's super versatile, especially when traveling, I just ❤❤❤ this so much! Zip closure, Front slip pocket, Adjustable webbing strap Fully lined for added strength, Durability Pouch also doubles as a pocket when bag is in use. Made from durable, wipe-clean polyester Part of our practical foldaway range 11.4" x 15.4" x 4.7" Backpack 8" x 7" Folded into pouch Inner : 100% Polyester Outer : 75D Polyester