Dymo - Label Maker Label: Black on Clear, Plastic, 156″ OAL, 1/2″ OAW - 66337528 - MSC Industrial Supply
Amazon.com: DYMO 45013 D1 Tape Cartridge for Dymo Label Makers, Created Specifically for Your LabelManager and LabelWriter Duo Label Makers, 1/2-inch x 23 Feet, Black on White, Pack of 4 : Electronics