12 Rolls | OfficeSmart 3/4" x 2" Return Address Labels 500 labels | Dymo 30330 Compatible for DYMO LabelWriters 330 400 450 Twin Turbo Duo 4XL Printer 12 Rolls | 500 labels per roll | 1 inch core Compatible with DYMO 30330 Return Address | Dimensions 3/4" x 2" High Quality, Bright, White Direct Thermal Paper Strong Adhesive | Water Resistant | Color: White