Each label measures 1 inch by 5/8 inches and features black print on a white background, making them easy to spot and read Designed for ease of use, these vinyl labels with M304 adhesive are perfect for recording calibrations on equipment, machinery, and tools The durable pre-attached clear M712 polyester adhesive cover ensures that calibration information will last even in tough industrial environments Writing area features black print on white background; comes in a package of 140 labels If space is limited, these SPI calibration labels may be the answer. Smaller than typical calibration labels, these measure 1" x 5/8" . This pack of 140 miniature clear-cover calibration labels is a must-have for any business or industry concerned with calibration accuracy. Each label measures 1 inch by 5/8 inches and features black print on a white background, making them easy to spot and read. Designed for ease of use, these labels are perfect for recording calibrations on equipment, machinery, and tools. Their durable clear cover ensures that calibration information will last even in tough industrial environments. M304 adhesive will stick permanently to most surfaces, but can usually be removed cleanly when necessary; Clear M712 polyester adhesive cover is pre-attached for ease of use; Clear cover prevents tampering and alteration of calibration data; Writing area features black print on white background; Comes in a package of 140 labels