Quality Park Catalog Envelopes, Gummed, Brown Kraft, 7.5 x 10.5, 500 per Box, (41065) GUMMED: Fully gummed flaps provide a secure seal to keep contents secured DURABLE: Made from 28 lb. stock MULTI-PUROPSE: These7.5 x 10.5 envelopes are perfect for storing and mailing sheets of papers, letters, documents, catalogs, photo's and other home and business mailings GREAT VALUE: Conveniently packed in 500 count to reduce the frequency of repurchasing FEATURES: 500 Brown Kraft, 7.5 x 9.5 Catalog Envelopes