Black on White, DYMO-LW  Fixed Length Series: Three proof Label with Patent Structure, 19mm Width and 64mm Length (450 pcs/roll Durable Labels), Compatible with DYMO 1933085.

Can be used with:

LabelWriter 450/LabelWriter 450 Duo /LabelWriter 450 Turbo /LabelWriter 450 TwinTurlo/LabelWriter SE450//LabelWriter 4XLLabelWriter Wireless