Features: 1. Durable Material: Made of lightweight waterproof and tear-resistant Oxford fabric, sturdy, durable and strong enough to endure. 2. Foldable design: strong space-saving when folded, easy to carry on the fly and travel after extended. A great idea as an extra pocket in your luggage bag. Folded dimensions: 28x18x4cm. Expand dimensions: 42x28x22cm. Extension dimensions: 42x38x22cm. 3. Bottom Extension & Multi-Pocket: The bottom of the zipper hides the extension function, allowing you to avoid problems caused by too many or too few items when traveling. Enough for short trips and can easily accommodate 3-5 days of travel clothes. 4. Portable: The bag is perfect for daily use or occasional travel, the attachment strap on the back makes it easy to put on your luggage, perfectly suitable size as a personal item to sit on the plane in front of you, quite convenient for travel. 5. Purpose: Gym, Sports, Travel, Weekend, Luggage, Hand Luggage, Shopping Bag, Beach Bag, Hiking and Camping. Suitable for women, men, teenagers and big kids, great idea as a personal item for air travel and emergency spare bag in suitcase. Description: The travel bag is made of lightweight waterproof and tear-resistant Oxford fabric, sturdy, durable and strong enough to last, perfect for daily use or occasional travel. Specifications: