The must have accessory forwearing under T- shirt, sweaters, sheer bras, sport bras, and bathing suits. These easy to use and even easier to care for, simply wash with warm water and mild soap, and then air dry only,when it is dry, the adhesive regenerate itself for next use. self adhesive silicone nipple petals are hypo-allergenic, and re-usable . The smooth realistic texture gradually thins towards the edges virtually disappearing on the skin for a discrete outline free look under even the sheerest garments.