Quality Park™ Kraft Envelope, #14, 5 x 11 1/2, Brown Kraft, 500/Box. Quality Park?. Redi Seal Envelope, #10, 4 1/8 x 9 1/2, Double Window, White, 500/. Quality Park™ Redi Strip Catalog Envelope, 9 1/2 x 12 1/2, White, 100/Box.