6" x 9" Booklet Envelopes, White, 24LB, 500 Count- Item# MBK69NW Go to amazon.com Related posts 15 best booklet envelopes 6x9 FeatureBooklet 6" X 9" White 24lbBooklet (Opening on longer Side 9")500 EnvelopesGum FlapMade in USA DescriptionStandard 6 X 9, Open Side / Booklet Envelopes. Gum Flap. 24 LB White Wove Paper. Made in USA