Quality Park Large Format/Catalog Envelopes, Gummed, Brown Kraft, 9 x 12, 250 per Box, (QUA41460) GUMMED: Fully gummed flaps provide a secure seal to keep contents secured MULTI-PURPOSE: These 9 x 12 envelopes are perfect for storing and mailing full size 8-1/2x11, letters, documents, catalogs, photo's and other home and business mailings DURABLE: Made from 20 lb. stock GREAT VALUE: Conveniently packed in 250 count to reduce the frequency of repurchasing FEATURES: 250 Brown Kraft, 9 x 12 Large Format/Catalog Envelopes