BUY 3 GET 2 FREEBUY 2 GET 1 FREE 10 X UNIVERSAL Kraft Coin Envelope #1, 2 1/2″ x 4 1/4″ Light BrownThis is the ideal small envelope for coins and other valuables. Deeply gummed flap provides a secure seal. Sturdy stock ensures extra protection. Envelope/Mailer Type: Coin; Envelope Size (Inches): 2 1/4 x 3 1/2 Closure: Gummed; Trade Size: #1.Sold as: Variationa Available.