The JAM Paper #7 (3.88" x 7.5") Strathmore envelope is the perfect option to consider for people who care about the environment. Made of post-consumer paper, this recycled envelope can be used for sending invitations, business mails, invoices, bills, promotional material and much more. The envelopes button & string closure makes opening and closing it repeatedly possible and prevents the contents from falling off. A conventional open end flap is used, which offers added security and strength. It is available in the eye-pleasing color of ivory wove. You can expect this envelope made of paper to get your work done. 50 units of this envelope are included in a single pack..Product Type: Strathmore business envelopes.Envelope Size: 3.88" x 7.5".Ivory wove paper envelope.The JAM Paper #7 (3.88" x 7.5") Strathmore envelope is a rather stylish option meant for carrying out official communication.