Get ready for some mermaid magic! This 8.5 x 11 inch pack of waterproof temporary tattoos has the most gorgeous holographic finish. Wear them with our Siren Song collection for a full mermaid look, or wear them to a pool party for an unforgettable look. There's tons of options in this pack, here's what to do when you are ready to apply. Cut to desired size and remove the plastic film before placing the tattoo face side down on your skin. Apply water to activate the transfer and carefully remove the paper film after 10-15 seconds. Tempo Tats are waterproof and will last up to 3 days. Remove with an oil based cleanser or rubbing alcohol.