Blue background with White Lettering Keep Refrigerated Pharmacy Stickers easy read. Each label measures 1.5 x 0.433 inches in size You receive 500 labels on a roll These stickers are often used for drug sres, pharmacy, warning labels, and health clinics Labels are printed on strong adhesive PVC Material usingink. Stick well on refrigerated kegs, and can withstand condensation. These pvc sticker are waterproof tear resistant and fairly durable. easy apply and remove, and leaves no residue.