BEIS The Shoulder Strap in Red. BEIS The Shoulder Strap in Red. Customize any of your bags with this new red shoulder strap from our Lonely Ghost collab with Bis! Put this shoulder strap on any of Bis's weekender bags, totes, duffels & work totes.. Made in China. Faux leather trim. Adjustable length. 3d Heat transfer co-branded logo artworks. Beis logo deboss. Please note: bag not included. BEIS-WY324. BEIS124531. 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. BIS - 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, BIS will never compromise on functionality or looking selfie-ready cool. Shop the latest in fashion from BEIS