LALUZ Traveling Backpack DURABLE. Made with High Quality Water and Tear Resistant Nylon LIGHT WEIGHT (0.4 Pounds) and ROOMY(21 Liter) Perfect large tote for beach or school season! Unfold: 15.7*6.1*13.3 inches, Fold: 7.8**1.1*6.7 inches Easy to folds up into small pocket (Sandwich size). You would LOVE that you can throw it in your suitcase, purse or car and have an extra bag without it taking up space. The Secret of Never Paying Overweight Baggage Fee!