Fiberboard Mailer, Material Fiber, Closure Style Self Sealing, Color Kraft, Usable WxL 7 1/8 in x 10 1/4 in, Usable Width 7 1/8 in, Usable Length 10 1/4 in, Outside WxL 7 1/4 in x 10 1/2 in, Outside Width 7 1/4 in, Outside Length 10 1/2 in, Mailer Number #1, With Tear Strip Yes, Pre-Printed Address Lines No, Package Quantity 250 Package of 4.