Black on White, 25mm Width and 54m Length,, Small Multipurpose Labels Compatiblr with DYMO LW Multi-Purpose Labels, Small 1" x 2 1/8"(30336) -  Black on White.

Can be used with:

DYMO LabelWriter® 450/LabelWriter® 450 Duo/LabelWriter® 450 Turbo/LabelWriter® 450 Twin Turbo/LabelWriter® 4XL/LabelWriter™ 330 Turbo/LabelWriter™ 400/LabelWriter™ 400 Turbo