Preferred Mailing Supplies PPS3-5000WL 1" Wafer Tab Seals (No Perf) 5000 Tabs Per Roll (3 Rolls Per Box) Save Big, USPS Approved, White 5,000 1" tabs per roll (3 rolls per box) outside diameter 7.75" Our tabs meet USPS requirements Perfect for warehouse and date coding applications Great for new postal tab / wafer seal requirements Works in most friction fed tabbers Quality adhesive that withstands the toughest mailing conditions