Southworth 25% Cotton No. 10 Business Envelopes - Business - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - Cotton Fiber - 250 / Box - Natural White (Ivory)

No. 10 business envelopes are designed for everyday use with 25 percent cotton fiber for added quality. Watermarked envelopes are acid-free, lignin-free, and compatible with laser and inkjet printers. 24 lb.