Wholesale Mailroom & Shipping Supplies & Accessories: Discounts on Sparco Plain Back 7" Envelopes SPR41930

Plain back envelope features a waterproof design to ensure your package is secure. Self-adhesive offers a quick and easy way to seal your package. Top layer is made of an LDPE 45 micron adhesive and an LDPE 30 micron adhesive bottom layer. Adhesive mea