A very sturdy and convenient foldable travel bag - this bag is perfect for everyday use or occasional travel, the straps on the back are designed to fit easily on the luggage, ideal as an airplane seat with personal items right in front of you, on the go Fairly convenient. Portable Foldable Travel Lightweight Waterproof Bag - Great space saving when folded, easy to carry on your flight and travel when expanded. Great idea to put in your duffel bag as an extra bag. Folded size: 28 x 18 x 4cm. Expanded dimensions: 42 x 28 x 22 cm. Extended dimensions: 42 x 38 x 22cm. DURABLE - Made of lightweight waterproof and tear-resistant oxford cloth, it is strong, durable and strong enough to carry. Dry and Wet Separation Sports Carrying Case - The zipper bottom hides the expansion function, allowing you to solve the troubles caused by too many or too few items during travel. Two zippered pockets and two interior patch pockets and a wet and dry separation pocket. It is enough for short trips and can easily accommodate 3-5 days of travel clothes. Multiple Scenarios - Gym, Sports, Travel, Weekend, Luggage, Carry Bag, Shopping Bag, Beach Bag, Hiking and Camping. Perfect for women, men, teens and older kids, it's perfect as a personal item for air travel and an emergency spare in a suitcase.