Feature: 1. LESS SNORING AND RESTFUL NIGHTS: Effectively avoid mouth breathing atnight in order to ensure superior slumber. 2. AIR PERMEABILITY TEST: Sleep strip is a safe and comfortable way to promote nose breathing, develop a healthy habit of nose breathing. 3. KEEP YOUR MOUTH SHUT FOR BETTER SLEEP: Improve your sleep quality and effectively avoid oral and problems caused by mouth breathing. 4. SAFE MATERIAL: Mouth strips are made with a specially engineered adhesive, odorfree, designed for lip contact. 5. 90PCS MEET YOUR NEEDS: Our anti snoring mouth strips sleep strips are the best gift choice for yourself, partner, family and friend. Specification: Item Type: Sleep Strips Material: ABS Shelf Life: 3 years Application: Anti snoring corrective closed mouth tape Package List: 1 Box of Sleep Strips90pcs How to use: Step 1: Wash and dry the skin dirt around the lips and mouth. Oils, beards, moisturizers and cosmetics will weaken this adhesive. Step 2: Remove the protective liner. Close your mouth so that your lips fully touch each other. Step 3: Place the sticker in the center of the mouth, press both ends and gently rub to fix it.