Imported environmentally friendly EVA production, ergonomic design The design of the back bumps enhances the shock resistance, thereby reducing the concussion The positive gap design makes breathing more smooth. This is a brand new 100% mouth guard with excellent quality Dual density structure, softer than other tooth protectors Heating snap-in design, more fit shape of the users' teeth. Groove adjust the surface of the teeth, convenient to maintain gentle breathing and does not affect the protective effect of teeth during strenuous exercise. The mouth guard can reach back molars, to provide complete protection. basketballJudo, ice hockey, rugby football,baseball and Muay Thai etc. Shape: curved Material: Silica gel Color: As shown (multi color selection) Weight: 35g Specifications: Environmentally friendly EVA production Ergonomic design Enhances the shock resistance Reducing the concussion The positive gap design makes breathing more smooth. Package Included: 1*Mouth guardwith case Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings.