Quality Park Tyvek Plain Side Expanion Envelopes, 10 x 15 x 2 inches, Box of 100 (QUAR4450)
$289.22
by Quality Park Products
Heavyweight 18 lb Tyvek Open End Expansion Mailers, #15, Square Flap, Redi-Strip Adhesive Closure, 10 x 15, White, 100/CartonClean, crisp look.