White Laser Opaque [500 sheets] 4 x 1 Laser Sheets. 20 Labels Per SheetThese Infinity Labels white opaque backed paper laser sheets are 4in. x 1in. rectangles and are supplied 20 labels per sheet. Each sheet measure 8. 5in. X 11in. and comes packaged with 500 sheets per case. These laser labels are a cost effective solution for general purpose labeling applications and for when you need to cover over an existing label or graphic . With a strong permanent adhesive, they will stick to most surfaces. Ships free in the