Send out marketing materials, contracts and informational packets to clients with these Staples envelopes. Crafted from sturdy paper with reinforced seams, these white envelopes keep your mailings secure while in transit. Secure SealingWith gummed edges, these catalog envelopes seal easily, providing a secure closure for your documents. Since they don't need to be pre-moistened, the envelopes are ideal for processing bulk mailings with speed and efficiency. The fold-over flap keeps your documents safely inside each envelope until it's opened by a client or customer.Enhanced PrivacyA blue and white security tint on the inside of each envelope prevents the wrong people from viewing sensitive documents. This means you can send billing information, patient histories and financial documents with confidence. The white wove outer layer provides a durable finish to each envelope, ensuring your items stay neatly inside during the shipping process.Spacious InteriorBoasting a 9-inch by 12-inch size and reinforced seams, these catalog envelopes keep your marketing materials neatly stored inside without the need to fold or crease any edges. The envelopes can easily accommodate standard letter-size paper, making it easy to secure a wide range of documents.