4 x 5 (4 Up), 8.5 x 11 Adhesive Label Paper 1,000 Sheets per Carton: PressLabel.com, Adhesive Paper and Film, Custom Labels
Amazon.com : Premium Life White Self Adhesive Labels (Word Sizes) White Matte Permanent Adhesive for Laser and Inkjet Printers 10 up per Sheet 100 Sheets = 1000 Labels. : Office Products