1. Foldable & Bottom Extension Design - This large capacity folding travel bag can be folded or expanded in three sizes at the bottom according to your needs. Large capacity size HWL: (15in x 8.7in x 16.5in); Normal size HWL: (11in x 8.7in x 16.5in); Easy to carry and folded size HWL:(7.1in x 1.6in x 11in); Three sizes to meet all your needs. 2. Multi-pocket & Convenient - This carry-on bag have two zip pockets and two attached inside pockets as well as a wet and dry separation pocket on the bag.the fixed strap design on the back of the foldable luggage bag makes it easy to place on the suitcase, which is very suitable for daily use or occasional travel. 3. & Material - Large capacity folding travel bag made with lightweight waterproof and tear resistant oxford fabric, rugged and easy to carry.It is enough for short trips and can easily accommodate 3-5 days of travel clothes. 4. Dry and Wet Separated - The high density waterproof material can help you separate dry and wet items. If you have wet clothes, towels and toiletries, you can put them in this bag.