backpack 17.5 laptop Large Travel Backpack, 17 Inch Laptop Airline Approved, Business Anti Theft Slim Sturdy Work Computer College High School Backpack Bag Fits 17.3 Inch Notebook for Men Women, Black : Electronics Additional spacious compartment serves Adidas Stadium II Backpack Color:Glow White Chartreuse Koi - Discontinued LCM1537

backpack 17.5 laptop Large Travel Backpack, 17 Inch Laptop Airline Approved, Business Anti Theft Slim Sturdy Work Computer College High School Backpack Bag Fits 17.3 Inch Notebook for Men Women, Black : Electronics Additional spacious compartment serves Adidas Stadium II Backpack Color:Glow White Chartreuse Koi - Discontinued LCM1537

Adidas Stadium II Backpack Fits Soccer Ball Sport Bag 4 Gym Color Options 5144

Four separate positive latches are arranged on three sides of the box to make a secure seal on the O-ring

LCM1537

Color:Glow White Chartreuse Koi - Discontinued

Some of these details are shown in the picture below from my tour

Additional spacious compartment serves to secure binders