Black on White, 10mm Width and 19m Length,Price Tag Labels Compatiblr with DYMO LW Price Tag Labels, 2-up 3/8" x 3/4" (30299) - Black on White.

Can be used with:

DYMO LabelWriter™ Wireless/LabelWriter® 450/LabelWriter® 450 Duo/LabelWriter® 450 Twin Turbo/LabelWriter® 450 Turbo/Desktop Mailing Solution/LabelWriter® 4XL