Features:

The labels back with black mark,could be used for both us version and europe version.

Dimensions: 59mm x 102mm (2-5/16" x 4") - 300 labels each roll, Color: White, direct thermal labels BPA free, permanent-adhesive

Perfect as multipurpose labels, return address labels, mailing Labels,shipping labels and barcode labels

Printing clearly, oil-proof, Scratch Proof ,widely used on packages, envelopes, mails, letters, parcels, signs and temporary name tags

Compatible with Dymo LW 400 , 400 Turbo , 400 Duo , 450 Turbo , 450 Twin Turbo , 4XL & more

Not compatible with Dymo 550 & 5XL printers that request RFID chips

Package Dimensions: 15.9 x 6.6 x 2.9 inches