So small, when folded it is the size of an egg and fits in your hand! The NANOTM DAYPACK backpack, weighing in atjust 30 grams, is the ideal companion for any backpacker looking to combine durability and lightness.Usingdurablenylon fibers as its main component, this bag also hasreinforced seams in theareas most subject to abrasion. While it is lightweight, this model can carrya load of up to 20 kgs withoutbreaking down! You'll be able to fit your travel essentials in this bag with its impressive18Lcapacity. For those trips where time is short, you'll appreciate its highwater resistance thanks toa silicone shell.This latest addition to the SEA TO SUMMIT brand easily attaches to your keychain, fits in a pocket or glove compartment and is ready to be used when you return from a run, jump out of the plane or on any of your excursions!