The closure mechanism on this bag is a zipper. There are several ways to carry this bag, one of them being a telescopic handle.
From Amazon
Wenger Transfer Wheeled Laptop Briefcase, Fits up to 16″ Laptop, up to 10″ Tablet, 20 l, Unisex, Ideal for Office Business Uni School, Black
This product is also available at 3 unverified merchants.