All- Large Envelopes: With size specifications of 10x13 inches, the yellow kraft envelopes are the perfect choice for your mailing, storage, and organizing needs. Designed with a professional appearance and superior feel, you can easily address or label these envelopes. They come in a sturdy box set of 100, making them an efficient tool for your household, office, and business mailing requirements. Efficient Self-Seal Feature: The self-seal envelopes come with a powerful adhesive strip. It is as easy as peeling off the strip and sealing the flap shut - no more dreaded licking or moistening requirement! This seal feature brings the convenience and efficiency you need when handling multiple mailings. Secured Privacy and Protection: Made from the toughness of 28lb80GSM golden kraft paper stock, these 10x12 mailing envelopes are highly resistant to tearing, ripping, or puncturing. Not only do they securely protect the contents inside, they also offer privacy as the inner details are not easily discernible. Safe and Sturdy Storage: Packaged in strong durable boxes, you can safely store these catalog envelopes without the risk of in-transit damage. For businesses that require bulk mailing and office filing, these envelopes are the Perfect solution. Broad Range of Usage: These large envelopes are versatile and can be used for sending or storing a multitude of items, including letters, business documents, pictures, invitation cards, brochures, catalogs, and books. With enough space to accommodate over 30 sheets of thick paper, rest your mailing and storing tasks will be a breeze. Colour:yellow Material:cardboard Size:26 x 32cm Package Contents: 100 x envelope Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.