#1 Coin and Small Parts Envelope with Gummed Flap for Home or Office Use, 28 lb. Brown Kraft, 2-1/4 x 3-1/2, 500 per Box (50162) FEATURE: The #1 Coin and Small Part Envelope is perfect for coins, seeds, medication, and any small parts. Good for both home and office use, the Coin and Small Parts Envelope is multi-functional! 28 LB BROWN KRAFT STOCK: Manufactured from durable 28 lb. stock, the brown kraft paper will provide privacy of the contents. The durability of the heavy paper will withstand normal wear and tear of everyday use. GUMMED FLAP: These coin envelopes have a moisture activated secure seal with deep Gumming on the flap. The flaps close with full flap GUM to endure automatic processing and humid climates to ensure the envelope stays sealed so your contents don't fall out! 500 ENVELOPES IN EACH BOX: ideal for both everyday office use and bulk mailings, each box of Quality Park #1 Coin and Small Parts Brown Kraft Envelopes provides a long lasting supply for your Home and Office Needs!