Perkies Nips are the perfect way to add a touch of spice to any wardrobe. These durable waterproof adhesive nipples provide multiple wears and are sure to leave a lasting impression. Perkies Nips are the first of their kind and allow you to "free the nip." Made out of matte with a silicone adhesive backing; these nips are reusable, durable and even waterproof! Feel free to wear under your swimsuits. Detailed Features: Matte, reusable nipple enhancers with silicone adhesive backing Waterproof: can we worn with a bathing suit Washable: Can be washed to regenerate the adhesive. Transportable packaging: Comes with a travel case Silicone adhesive: Hypoallergenic, MSDS, and SGS certified. Do not wear longer than an 8 hour period. The adhesive effect will be reduced by sweat, moisturizers, perfumes and similar skin products. Perkies Nips should be washed with mild soap and air dried to activate stickiness.