Dymo 1744907 Compatible 4x6. 24 Rolls. Buy this genuine Labels123 product with confidence . 100% satisfaction guaranteed. Label size: 4" x 6" | Rectangle | White | Direct Thermal| 220 Labels per Roll Item SKU: DL-1744907. This listing is for 24 rolls. Labels are smudge resistant and water and oil resistant. All temperature, strong permanent adhesive is excellent for all general purpose labeling applications. Each roll is individually packed into a protective black polybag to protect against moisture & light. These thermal labels work well with USPS, Endicia; Click-N-Ship, Pitney Bowes Shipstream Manager Deluxe, eBay, PayPal and other popular shipping/mailing software. Saves Money- Labels use direct thermal printing process so you never need to bother with messy, expensive ink or toner cartridges. Compatible with: DYMO Printers: 300, 310, 315, 320, 330, 400, 400 Duo, 400 Twin Turbo, 450, 450 Duo, 450 Turbo, 450 Twin Turbo, 4XL, EL40, EL60, SE300, SE450  CoStar LabelWriters: XL, XL+, BC, BC+, TURBO, SE200, SE250, ACII 200 / ASCII 250.