Desktop Publishing Supplies Brand Holiday Green #10 business size Envelopes fit letterhead, brochures, and more! These Green Envelopes are made from a 24lb Bond / 60lb Text Paper stock and are Inkjet, Laser, & Copier Compatible. Measures the standard #10 size of 4 1/8" x 9 1/2" and the flap is gummed for sealing.