The TWM-2L1-PK from Brady Corporation is a vinyl wire marker card measuring 0.31" (8.0 mm) W x 1.50" (38.0 mm) L, with a black legend on a white background.
The TWM-2L1-SC-PK from Brady Corporation is a wire marker card measuring 0.36" W x 0.75" L (9.1 mm x 19.1 mm), with a black legend on a white vinyl background.