For correspondence in need of a special pop of color, use Astrobrights Colored #10 Envelopes! These envelopes are perfect for parents & teachers sending important notes & documents. Each envelope is made from Astrobrights 24-lb colored paper, so you can achieve bleed-free results. Plus, these envelopes are acid-free & lignin-free so you won't have to worry about yellowing or disintegrating over time. Includes 40 envelopes each in Venus Violet, Fireball Fuchsia, Cosmic Orange, Solar Yellow & Terra Green colored paper. Seam Type: Diagonal; Flap Type: Bankers; Trade Size: #10; Security Tinted: No.