Made of waterproof nylon, perfect for day-to-day or weekend travel. Great tenacity and feeling. Greatly save space after folding, easily carry on your flight, and travel after expansion. Great idea as an extra bag into your luggage bag. The bag is perfect for day-to-day use or occasional travel, the unique design enables it to be placed on the luggage easily, perfectly suitable size as a personal item for an airplane seat in front of you, and quite convenient for travel. Gym, Sports, Travel, Weekend, Luggage, Carry-on Bag, Shopping Bag, Beach Bag, Hiking and Camping. Suitable for women, men, teens, and big kids, great idea as a personal item for airline travel and an emergency spare bag in the suitcase.