Quality Park?. Redi-Strip Security Tinted Envelope, #10 1/2, Square Flap, Redi-St. #20 Squat Paper Grocery, 50lb Kraft, Heavy-Duty 8 1/4 x5 5/16 x13 3/8, 500 bags. We aim to respond to all inquiries within 24 hours and look forward to serving you.