Sequential Brands expands exclusive Martha Stewart line of office products at Staples   Lifestyle expert provides new essentials for school, home, office and travel NEW YORK, 2017-Jul-12 — /EPR Retail News/ — Sequential Brands Group, Inc. (Nasdaq:SQBG) and Staples (Nasdaq:SPLS) announce the expansion of the Martha Stewart line of office products available exclusively at Staples. The collection includes a new…