LIGHTWEIGHT DESIGN: Measuring 11.8"W x 17.7"H x 8.5"D and weighing just 2.7 lbs; this lightweight backpack for air travel is sized to meet most airline carry-on requirements—ideal as a women’s carry-on backpack with laptop compartment. DESIGNED FOR VERSATILITY: Wear as a backpack with adjustable 20" to 37" padded straps, or convert it into a duffel bag using the 52" detachable crossbody strap; features a rear luggage sleeve for stacking on roller bags—perfect as a convertible backpack tote, business travel backpack, or flight approved personal item. TRAVEL-FRIENDLY MUST-HAVE TRAVEL BAG: An expandable main compartment with tie-down straps provides generous space for clothing and accessories; easy-access padded 16" laptop pocket speeds you through TSA—ideal as a TSA-friendly backpack, overnight backpack for women, or travel daypack with tech protection. EXPANDABLE SIDE POCKET FIT WATER BOTTLES: Side pockets zip flat for a sleek profile and expand to fit a large water bottle or umbrella; perfect as a backpack with water bottle holder or compact travel backpack for daily use, commuting, or sightseeing. WATER-REPELLENT & EASY TO CLEAN: Made with durable water-resistant nylon material that’s easy to spot clean; great for use as a laptop backpack for flying, weather-resistant work bag, or travel backpack purse for women who need style and function on the go.