BEIS The Convertible Mini Weekend in Navy. BEIS The Convertible Mini Weekend in Navy. Cotton and polyester exterior with water-resistant lining. Imported. Zip top closure. Padded laptop sleeve with velcro closure. Large zip pocket and two small slip pockets. Interior key-ring strap with dog clip. Trolley passthrough. Measures approx 16 W x 16 H x 8 D Shoulder strap with a 12 drop. BEIS-WY169. BEIS323462. After countless trips and Shaycations, Shay Mitchell realized that she wanted to create amazing, affordable pieces for travelers like herself who are inspired to seek new places, meet new people, and share the world. BEIS - pronounced base - began with the promise to give everyone the opportunity to pack up their stuff and hit the road with bags and accessories that wouldn't break the bank. From the gym to Jaipur, BEIS will never compromise on functionality or looking selfie-ready cool.