JAM Paper® Brite Hue Yellow Recycled #10 Business Envelopes are made out of smooth high quality 24lb 30% recycled paper. Each one measures 4 1/8 x 9 1/2 inches the perfect size for three-times-folded standard sized documents. This pack contains a total of 25 envelopes. Each one has a straight flap opening and a reliable gum closure to keep the contents placed inside secure as they are transported through the mail! Certain to stand out in any setting and to gain the immediate attention of all mail recipients these envelopes feature a bright and vibrant lemon yellow color! Use these envelopes for business and promotional mailings special occasion mailings and more! Size: 4 1/8 in. x 9 1/2 in. | Color: Brite Hue Yellow Recycled | Quantity: 25/pack