Quality Park No. 10 Business Envelopes with Self Seal Closure

Business - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Self-sealing - White - 500 / Box. Contemporary side seam for a modern, professional look that is ideal for inserting during bulk mailing applications. Redi-Seal closure doesn't require moisture to seal; unique, double-flap design to keep the gum from sticking before use.