Statesman® (Recycled Tan / Brown Kraft) Clasp Statesman Open End Clasp 6-1/2 x 9-1/2 Envelopes are made with an SFI certified 28# Recycled Tan / Brown Kraft - a strong, long fiber paper stock with a vellum finish. The pliable and ribbed metal clasp is durable, built for multiple closures.