Pastease are hand made in the USA of durable shiny pleather material that forms to curves and resists wrinkling over hardening nipples. Just peel and stick on clean, dry skin. All Pastease feature latex free, medical grade, waterproof adhesive that stay securely in place for as long as you like and until they are gently removed. Dimensions 3.7 inches wide by 3.6 inches tall. Coverage 2 inches.