JAM Paper & Envelope A10 Invitation Booklet Envelopes are available in an assortment of sizes and colors for all your mailing needs. Excellent for larger contents these 6 x 9 1/2 booklet envelopes eliminate the need for folding and creasing in order to properly fit. Insert invitations announcements greetings letters brochures homemade cards and much more into these stylish and classic envelopes. Recipients are guaranteed to notice and open your mail first! This pack contains 50 white booklet envelopes made from 24 lb. paper. Each envelope has a booklet opening straight flap gum closure and smooth finish. Size: 6in x 9.5in | Color: White | Quantity: 50/pack