12 rolls Compatible Dymo 30915 shipping and postage Labels (1-5/8" x 1-1/4",41 x 32mm) 300 labels per roll for LabelWriter 100% compatible with Dymo Label writers Adhesive: Self-sticking adhesive Includes: 12 roll Dymo compatible 30915 label roll Size: 1-5/8" x 1-1/4" (41 x 32mm), 300 Labels per roll Compatible Printers: Dymo Label Writer 330, 330 Turbo, 400, 400 Turbo, 450, 450 Turbo, Dymo Label Writer Duo, Twin Turbo Dymo Label Writer, Duo Dymo Label Writer EL60, Dymo Label Writer SE300, Costar Label Writer XL+