Folds into zippered inner pocket to fit anywhere. Unfolds from pocket to backpack. 2 side storage compartment for keys, phones, snacks, water bottles etc.1 front zippered pocket make your stuff safety.Best for every trip.

• Made with High Quality Water and Tear Resistant Nylon Material. Duarable Abrasion Resistant SBS Metal Zipper Avaliable
• avoid overweight charges, simply unfold from your luggage and use it as a carry on for your excess baggage
• Adjustable and breathable padded shoulder and strap to meet different requirements for both men and women
•  Perfect for day trips, vacation, travel, day hikes, school, camping and shopping
• Unfold Size:(LxWxH): 13x6.3x17.7inches(33x16x45cm). Fold Size: 8.3x7.1x0.8inches(21x18x2cm).Capacity: 23L. Weight: 0.4pounds(200g)

Made with High Quality Water and Tear Resistant Nylon Material. Duarable Abrasion Resistant SBS Metal Zipper AvaliableEstarer