Men's Expandable Carry On Travel Backpack - Mid Size

This is a multifunctional backpack with expandable capacity, you can use it as a laptop backpack for work or school, and sometimes you are going to be away from home or out of town for two or three days, it can also be a travel backpack because it has 39L capacity after expandable, you don't need to buy another backpack for travel, this backpack is a good choice. You can save money. A carry-on travel backpack: this travel backpack's dimensions are 17.32" × 11.4" × 7.48", small than airlines allow carry-on luggage that measures up to a maximum of 22" × 14" × 9". Expandable capacity backpack: This backpack gets its beef from being fully expandable and opens up from 23L - 39L to accommodate enough room for a full change of clothes for 2-4 days, and also have enough room for your entire shower and grooming kit. It is equivalent to a 20" trolley case. This backpack opened 180 degrees like a suitcase. Besides, a fully pull zipper design, a velcro opening structure could adjust the opening