New and unused ✨ 20 sheets, 60 pieces Simple application to make nasal breathing a habit: Supports natural mouth closure during sleep, improving unconscious mouth breathing. Aims to improve sleep quality by maintaining nasal breathing until morning. Gentle design that reduces skin stress: Non-touch specification with no adhesive on the part that touches the lips. Designed with delicate skin in mind, it is structured to be less burdensome even with nightly use. Comfortable to wear and adheres firmly until morning: Made with non-woven fabric that has high breathability and moderate elasticity. It is difficult to peel off even when tossing and turning, yet provides a comfortable fit with minimal skin irritation. Comprehensive care for problems caused by mouth breathing: Suppresses throat dryness, bad breath upon waking, and increased risk of cavities, which are common with mouth breathing. Contributes to maintaining oral health by switching to nasal breathing. Quality recommended by sleep professionals: Developed under the supervision of a sleep consultant. A reliable item that thoroughly pursues materials and ease of use, providing solid support for those suffering from snoring and sleep apnea.