CAUTION INSTRUCTIONS: We recommend that you perform a skin test 24 hours before extended use by wearing the silicone for up to 4 hours. If you experience any itching, irritation, burning or discomfort of any kind, remove the silicone immediately. Do not wear overnight, and we recommend that you do not wear it for more than 4-6 hours at a time. Not recommended for women with sensitive skin. FINAL SALE ITEM. NO RETURNS OR EXCHANGES.