Silicone Bra Self Adhesive Invisible Push-up Bra Privacy Packaging Material:100% pure medical-grade silicone material, hypoallergenic adhesive is comfortable and leaves no trace on your skin after removing the bra. Do not recommend for hot temperatures, because sweat may make it slip down Do not use moisturizers, perfumes, powders or other skin care products prior to use, as this will reduce the effect of the adhesive.-Simply wash with warm water and mild soap then air dry. When item is dry, the adhesive regenerates itself for next use - make sure surface is clear of debris. Wash: Use some type of bland soap and warm water for initial cleaning,then use the rinse with fresh water. Form enhancing product creates women's breasts to look fuller with more cleavage