These are "Yellow Numbers" Dry Transfer Decals from PineCar. Specifications Sheet Size 4" x 2-1/5" Features These dry transfer decals have a gloss finish. The quickest & easiest way to customize your derby racer. High-quality rub-on decals that can be applied around contours and over textures, unlike stick-on decals. Dry Transfer Decals have no clear film around the edges of a decal like stick-on decals do. Instructions printed on package.