JAM Paper's #10 Business Envelopes are perfect for holding all your mailings. Whether you are in an office, home, or classroom setting, use these Ruby Purple Stardream Metallic envelopes to dress up your mail. Insert greetings, letters, memos, invoices, and more to catch recipients' attention and stand out from the crowd.Details:Metallic ruby purple9.5" x 4.13"50 envelopes32lb. paperMetallic finishStraight flapGum closure