Quality Park 9 x 12 Envelopes with Deeply Flap and Open Side - 100 / BX - #9 1/2 - 12 Width x 9 Length - 28 lb - Paper - 100 / Box - White

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.

• Perfect for standard-size documents when folding is undesired; ideal for mailing and organizing in home and office settings
• Made from 24 lb. white wove stock to add a professional touch to your personal and business mailing
• Fully gummed flaps for a secure seal that keeps contents contained
• Opens on the long side for easier inserting and retrieving contents