Features Oral Habit Corrector: Improve bad oral habits by reducing mouth breathing (not applicable in cases of nasal breathing difficulties), finger eating, tongue out, lip biting, etc. Facial Muscle Training: This lip biting corrector can effectively train and strengthen the facial muscles, resulting in toned and defined facial . Comfortable Material: Made of excellent quality POE material, this corrector is soft, flexible, and safe to use. It provides a comfortable wearing experience. Easy to Use: Simply wear the lip biting corrector like a mouthguard. It is lightweight and discreet, allowing you to use it anytime and anywhere without discomfort. Durable and Long Lasting: Mouth breathing corrector is designed to be durable and withstand regular use. It is an investment in long term oral habit correcting and facial muscle training. Specification Item Type: Lip Biting Corrector Material: POE How to Use When biting fingers or lips, gently clamp this product with your lips. Wear it when sleeping at night and use it several times during the day, adhering to closed mouth patches (this product does not include closed mouth patches). Wear it for at least one hour each time, usually for about a week, and the habit of biting fingers may stop. However, it is necessary to continue wearing it for at least one and a half to two months (specific individual differences exist, please understand). Package List 1 x Corrector 1 x Storage BoxDurable and Long Lasting: Mouth breathing corrector is designed to be durable and withstand regular use. It is an investment in long term oral habit correcting and facial muscle training. Easy to Use: Simply wear the lip biting corrector like a mouthguard. It is lightweight and discreet, allowing you to use it anytime and anywhere without discomfort. Comfortable Material: Made of excellent quality POE material, this corrector is soft, flexible, and safe to use. It provides a comfortable wearing experience. Facial Muscle Training: This lip biting corrector can effectively train and strengthen the facial muscles, resulting in toned and defined facial . Oral Habit Corrector: Improve bad oral habits by reducing mouth breathing (not applicable in cases of nasal breathing difficulties), finger eating, tongue out, lip biting, etc.