Business Source Heavy-duty Metal Clasp Envelopes - Clasp - #55 - 6in Width x 9in Length - 28 lb - Clasp - Kraft - 100 / Box - Kraft

Reinforced-metal clasp with rounded edges is plated for rust-resistance Open-end style construction with superior gumming on flap for a secure seal Heavy-duty, 28 lb. Brown Kraft