Star Allergy Alerts vinyl sticker packs are dishwasher and microwave-safe and designed for lunch boxes, drink bottles, food charts etc. Can also be worn on clothing and hats for one-off use. With a bright, fun design and allergy alert message they are great for wearing to kindy, daycare, birthday parties etc. Your kids will love them!; For Best Results: apply the stickers to a clean, flat, dry surface and smooth over to remove any air bubbles. Allow to set for up to 12 hours before immersing in water.:Quantity: 6 Stickers per pack.:Dimensions: 57 mm Diameter