Columbian® Poly-Klear® Grip-Seal® Window Envelopes

Columbian® Poly-Klear® Grip-Seal® Window Envelopes Window envelope helps to ensure your documents arrive at their proper location. Grip-Seal® is simple to use -- simply peel strip off flap and press to secure. Side-seam construction has a cleaner-looking (non-seamed) front and back, allowing you to print on either side. Envelope Size: 4 1/8 x 9 1/2; Envelope/Mailer Type: Window; Closure: Grip-Seal®; Trade Size: #10.