1. Oral habits corrector: Improves bad oral habits by reducing mouth breathing (not applicable in cases of nasal breathing difficulties), finger eating, tongue sticking out, lip biting, etc. 2. Facial Muscle Training: This lip biting corrector can effectively train and strengthen facial muscles, resulting in toned and defined facial contours. 3. Comfortable Material: Made of excellent quality POE material, this concealer is soft, flexible and safe to use. Provides a comfortable wearing experience. 4. Easy to use: Simply use the lip biting concealer as a mouth guard. It is lightweight and discreet, allowing you to use it anytime, anywhere without discomfort. 5. Durable and long lasting: The mouth breathing corrector is designed to be durable and withstand regular use. It is an investment in correcting oral habit and training facial muscles in the long term. Specification: Item Type: Lip Biting Corrector Material: POE How to use: When biting your fingers or lips, gently hold this product with your lips. Use it when sleeping at night and use it several times during the day, adhering to the closed mouth patches (this product does not include closed mouth patches). Use it for at least an hour at a time, usually for about a week, and the habit of biting your fingers may disappear. However, it is necessary to continue using it for at least one and a half to two months (there are specific individual differences, please understand). Packing List: 1 x Concealer 1 x storage box SAFETY WARNING safety[DURABILITY AND LONG LASTING] Designed to withstand regular use, this mouth breathing corrector is durable and long-lasting, making it an ideal investment to correct oral habits and strengthen facial muscles in the long term. Mouth breathing corrector. [EASY AND DISCREET] Simply wear it as a mouthguard, this concealer is lightweight and discreet, allowing you to carry it with you anytime, anywhere without causing discomfort. Stop Biting Lip Concealer. [QUALITY MATERIAL] Made with POE material, this concealer is soft, flexible and safe for use, providing comfort during daily use. Oral breathing corrective tool. [FACIAL STRENGTHENING] Effectively training facial muscles, this lip biting concealer provides toned and defined facial contours, improving facial appearance. Anti lip bite shield. [IMPROVEMENT OF ORAL HABITS] This oral habit corrector helps improve bad habits such as mouth breathing, finger eating, tongue sticking out and lip biting, promoting optimal oral health. Lip concealer to stop biting.