Amplify your mailings with JAM Paper Cello Sleeves with Self Adhesive Closure! These vibrant Orange cello sleeve envelopes are uniquely made from acid-free sturdy translucent plastic and are USPS approved to send a variety of mailings. They are popularly used for sending promotional/marketing materials, artwork, invitations, personal mail, greeting cards, and bulky items. They are also excellent for storing photos, important documents, and more! From personal to professional mailings, these unique envelopes cater to all your needs in superior efficacy. Details: Orange 6.0625" x 6.1875" 100 cello envelopes Each sleeve has a secure self adhesive strip closure Booklet opening, straight flap and smooth finish Cellophane plastic