PetriStickers label petri dishes quickly, neatly and reliably. Convenient stickers are easy to apply to the back of petri dishes. PetriStickers are manufactured with water-resistant ink, substrate and adhesives. Remain firmly attached at temperatures from 4?C to 42?C.After labeling, the dish can be held in a comfortable position for streaking or colony transfer, stored in an incubator or refrigerator, and photographed.