Envelope size: 3 1/8 inch square (3.125" x 3.125") - *Please note these are Not Postal Approved Quantity - 50 Envelopes Small pack size for designers of any kind! Paper Weights: 28/70# text – 104 gsm - Sturdy Smalle Envelopes Finish: offset vellum (not translucent) - Smooth Finish great for any permanent inks. Enclosure Size: 3" x 3" or smaller - Fits 3" x 3" Folded cards perfectly! Pre-Gummed for Easy Moisten and Seal. Pointed Flap Envelopes. Made in the U.S.A. - Buy with Confidence!