LARGE SPACE; With the large frontal pocket with transparent mesh, 2 side water-bottle compartments, and the inner zip pocket to keep your small items safe. SUPER LIGHTWEIGHT; folds into its own inner pocket; extremely handy, easy to carry; use as a sporty pouch for your gadgets; unfold as a carry bag or to use as a daypack. TRAVEL COMPANION: Prevent overweight charges, simply unfold it from your luggage and use as a carry on for your extra baggage. BEST QUALITY: Waterproof, made with tear-resistant fabric. COMPACT. Folds into its own inner pocket to fit anywhere. Unfolds from pocket to backpack. This is a must-have for every trip. MULTI COMPARTMENTS. Features a classic shape with several compartments for storage and orderliness. This backpack is indeed your travel companion due to its roomy main compartment, the two front zipper pockets will hold your small accessories, while the internal security zippered pocket included can secure your valuable items like passport, credit card or Id card and the two side pockets take care of your umbrella or water bottle.