90 Pieces Anti-snoring Mouth Patch for Night Nasal Breathing Support to Help Improve Mouth Breathing and Sleep Quality 1. Wash and dry your lips and the skin around your mouth. Dirt, oils, moustache, beard, moisturizers, and makeup can weaken the adhesive. 2. Remove the protective liners. Close mouth with lips in full contact with one another. 3. Place the strip centered across your mouth, press both ends and rub gently to secure. Specifications: Product Name: Anti-snoring Correction Closure Patch Size: 3 x 4 x 9 cm Net Content: 90 pieces Weight: 42.9 g Shelf Life: 3 years Package Included: 90 x Mouth Closure Patches Note: The experience of using the product may vary among individuals due to personal differences. Results are not guaranteed for everyone. If you have any issues with the product, please before leaving negative feedback. Thank you for your understanding.