Just peel-and-stick on clean, dry skin. All pasties feature latex-free, medical-grade, waterproof adhesive that stay securely in place for as long as you like and until they are gently removed. Conceal or reveal nipple pasties when worn with a sexy outfit, daring bikini, sheer top, revealing dress, Hefty bag, body lotion, crazy costume, party theme or nothing at all! Dimensions: 3.5 x 3.5 inches. Coverage Diameter: 1.8 inches.