Quality Park Open-Side Booklet Envelopes, 9in x 12in, White, Box Of 250
ENVELOPE,BKLT,28LB,#9-1/2,WHT.
Booklet envelopes open side-style on the long side for easy insertion. Quality construction features wide gumming and deep flaps for secure seal. Envelopes also offer a super white brightness and are made of 28 lb stock.