1Wash and dry your lips and the skin around yout mouth. Dirt,oils, moustache, beard, moisturizers and makeup can weaken the adhesive. 2Remove the protective liners. Close mouth with lips in full contact with one another. 3Place the strip centered across your mouth,press both ends and rub gently to secure. Specifications: Product Name: Anti-snoring Correction Closure Patch Size: 3*4*9cm Net content: 90pcs Weight: 42.9g Shelf life: 3 years Package Included: 90 stickers closed mouth stickers Notes: The use of the product is different because of the different experience of each consumer, so the use of the product is affected by various factors, and it is not guaranteed that everyone can achieve the same effect! If there is a problem with the product, please leave a message before giving a bad review. Thank you for your understanding.