DIMENSIONS: Large 9" x 12" booklet envelopes perfect for mailing documents without folding, ideal for business or personal correspondence MATERIAL: Constructed from heavy-duty 28 lb. brown Kraft paper for superior durability and professional appearance SECURE CLOSURE: Features a strong gummed flap that creates a reliable seal when moistened for document protection DESIGN: Open-side configuration allows easy insertion of catalogs, presentations, photographs, and other large materials QUANTITY & ORIGIN: Bulk pack of 150 envelopes manufactured in USA for consistent quality and reliable performance Keep your important documents pristine with Cashier Depot's professional 9" x 12" booklet envelopes. Crafted from heavyweight 28 lb. brown Kraft paper, these open-side envelopes provide ample space for storing and mailing unfolded documents, catalogs, presentations, and photographs. The strong gummed flap delivers a reliable seal when moistened, ensuring your materials stay secure during transit or storage. Made in the USA by Cashier Depot, these envelopes combine durability with functionality for your everyday mailing needs. Whether you're sending business correspondence or organizing important papers, these sturdy envelopes offer the perfect solution for protecting your valuable documents. Each box contains 150 envelopes, giving you a dependable supply for all your mailing requirements.