Features:· Premium durable Water-Resistant Nylon Fabric · Can be fixed on the trolley suitcase, making travel a breeze· Dry wet separated design· Lightweight and Sturdy, Soft and easy to carry Color Options: Pink/Black/Dark Blue/Green Dimension:Medium size: 45x15x25cm/17.71*5.9*9.84''(L*W*H),weight:0.55kg/1.21 pounds.Can be put two or three summer clothes and daily use items ,fit 11 inches laptop.Large size:55x18x27cm / 21.65*7.09*10.63'' (L*W*H),weight:0.6kg/1.23 pounds.Can be put three or four summer clothes and daily use items ,fit 15.6 inches laptop.Roomy space:One main large compartment for clothes and laptop.One inner zipper pocket for your wallet,keys and cellphone.One side large and two mesh pockets.One water-resistant plastic pocket for your wet items.One front pocket.One zipper back pocket.Reasonable inner instruct meet your demand for a journey,very practical.Product details:Metal and nice zipper.Comfortable handle.Detachable and adjustable shoulder strap.Buckle design.Occasions:The Gym bag is not only suitable for gym, you can also use it as a daily bag for swimming, commute,out street and many other indoor/ outdoor activities,it is also deal for short trip, good carry-on bag for airports.A perfect sports bag,weekend bag, overnight bag or travel bag for girls and women.Easy Shopping with Us:★Defective parts or accessories will be FREE for replacement within 12 Months. ★Return policy is valid within 12 Months against defects in materials and workmanship. If missing parts or damaged parts received during the warranty period, simply contact us to get the refund or the free replacement,Making every purchase has no risk to buy when you have the issue and choose to ask us for help.