JAM Paper® Bright Hue Christmas Red #10 Business Envelopes are perfect for Valentine’s Day, Christmas, or your everyday mailings. Your loved ones will surely get in the Christmas spirit with these vibrant envelopes! These envelopes measure 4 1/8 x 91/2 inches in size, making them perfect size for letters or an invitation to your next Christmas party! At JAM, we recognize the value in being eco-friendly, which is why these envelopes are made from smooth, 24lb 30% post consumer paper. Each one features a straight flap with a reliable, peel-and-seal closure. Add the perfect pop of color to your mail with these bright red envelopes! This box contains an even total of 500 envelopes.