Our temporary tattoos are certified by F.D.A, EN71, ASTM, safe and non-toxic. Use parts: Can be used in the skin, metal pottery, glass and other surfaces. Attached to the waist, chest, neck, arms, back, legs, bikini, paste any position you like, you can also cover scars, etc.. Instructions: 1) Skin should be clean and free of oils and makeup. 2) Remove clear protective top sheet. 3) Press tattoo firmly onto clean, dry skin with design facing down. 4) Hold wet cloth against back of tattoo, press down and make sure to wet it thoroughly. 5) Wait 30 seconds(don"t hurry). Peel off paper backing. 6) Gently rinse image with water for best effect. It"s high quality with fashion designs that are fake, but look real on the skin, they are 100% waterproof and can last up to 7 days. Easy on easy off, they can be removed with baby oil or rubbing alcohol. Warning: Don"t apply to sensitive skin, near eyes or if allergic to adhesive.