Strathmore 318003 100% Pure Cotton Business Stationery, 24lb, 8 1/2 x 11, Ult White, 500 Sheets 24 lb/90 gsm. 100% Cotton Fiber, Luxurious Wove Finish, Watermarked 500 sheets per ream Matching Envelopes Available Made Carbon Neutral Acid Free for archival purposes