Pinit BLACK Storage Box for # 7 Glassine Envelopes. 14-1/4 x 7 x 4-3/4". Made from .040" thick chipboard. Wrapped in embossed black paper. SKU: XSTAMP7K (0)No Reviews yet Add to Shopping Cart Details BLACK Storage Box for # 7 Glassine Envelopes 14-1/4 x 7 x 4-3/4" Made from .028" thick cardboard and wrapped in embossed black paper. Boxes require s... Details Back DetailsBLACK Storage Box for # 7 Glassine Envelopes 14-1/4 x 7 x 4-3/4" Made from .028" thick cardboard and wrapped in embossed black paper.Boxes require simple assembly. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review