Quality Park Catalog Envelopes, Gummed, White, 9 x 12, 250 per Box, (41485) GUMMED: Fully gummed flaps provide a secure seal to keep contents secured DURABLE: Made from 24 lb. stock MULTI-PUROPSE: These 9 x 12 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 250 count to reduce the frequency of repurchasing FEATURES: 250 White, 9 x12 Catalog Envelopes