HP Combo 330 15.6-inch Laptop Backpack/Trolley Pass-Through; Padded Back Panel; Padded air mesh Panel/Hand wash and air Dry with LS LAPSTER Universal Silicone 15.6" Keyboard Protector Skin

Trolley Pass-Through Strap: Effortlessly secure your backpack to the handle of your rolling luggage or suitcase. 

• Padded Air Mesh Back Panel: Say goodbye to uncomfortable, sweaty commutes.

• Padded Back Panel: The extra padding along the back provides essential support and protection for both your back and the contents of your bag.

• Easy Care: Like all good gear, this bag is simple to maintain—just hand wash and air dry to keep it in pristine condition.