Double Window Redi-Seal Security-Tinted Envelope， #9， Commercial Flap， Redi-Seal Adhesive Closure， 3.88 x 8.88， White， 500/

Quality Park® Double Window Envelopes display both sender and receiver addresses for mailing statements and invoices. Features a special Redi-Seal® self sealing closure. Simply lift the bottom flap and press to the top flap for an instant， secure seal. A reflex blue pattern protects sensitive client information because it obscures the details of the contents， even when held up to light. Seam Type: Diagonal; Flap Type: Commercial; Trade Size: #9; Security Tinted: Yes.