Franklin® (Golden Kraft) Clasp - Franklin Open End Clasp envelopes are made with an SFI Certified 32# Golden Kraft - a strong, long fiber paper stock with a machine finish. The pliable and ribbed metal clasp is durable, built for multiple closures.Golden Kraft (SFI CERTIFIED) Machine Finish Center Seam Metal Clasp Remoistening Seal Flap Extende