Feature:1. Food‑grade EVA material, non‑toxic and harmless, can be used with confidence.2. It can match appropriate hardness according to athlete's to protect athlete's teeth and gums.3. It has strong plasticity, can be set repeatedly, supports trimming and customization.4. Suitable for contact sports, such as football, basketball, hockey, boxing, jiu‑jitsu, etc.5. Easy to use, you can talk, breathe and drink easily without removing the shield.How to Use:Before putting on the braces, please use hot water to soak the braces softly, then put them on the upper teeth and bite them gently. After cooling down, you can get your own exclusive braces.Specification:Item Type: Shock Mouth GuardModel: E028Material: Food Grade EVA Package List:1 x Shock Mouth Guard