【Package Includes】- It contains 300 pack 10x13 brown Catalog Envelopes.They are very suitable for printing, storage, and mailing in various occasions such as office and family. 【120GSM Paper】- The catalog envelope made in 120GSM paper has stronger tear resistance and durability. 【Printable & Customizable】- Standard 10x13 inches, compatible with most printers. You also can freely doodle and draw in the blank space, and give full play to your talents! 【Peel & Seal】- Each Catalog Envelopes comes with a sealing strip, which is very convenient to use. 【Beautiful Packaging Box】- 300 pack 10x13 brown Catalog Envelopes are packed in a beautiful and sturdy box, so you don't have to worry about damaged or damp envelopes in long-term storage. Bonfasvo is a professional manufacturer of office supplies, we are committed to providing you with excellent office supplies such as envelopes, gift boxes, greeting cards, etc. Please feel free to contact us with any questions, we will reply within 24 hours.