Specifications: High density structure, soft and firm. Heating snap-in design, more fit shape of users' teeth and the mouth guard can reach the rear molars, to provide complete protection. Groove adjust the surface of the teeth, convenient to maintain gentle breathing and will not affect the protective effect of the teeth during strenuous exercise. Excellent for boxing, kicking, taekwondo, fire fighting, Jiu-Jitsu and other vigorous exercises. Type: Mouth Guard Material: EVA Features: Non-Toxic, Reusable, Teeth Protector, Easy to Clean Mouth Guard Size: 5.5cm x 6.5cm x 2cm/2.17" x 2.56" x 0.79" (Approx.) Storage Case Size: 8.5cm x 7cm x 3cm/3.35" x 2.76" x 1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Mouth Guard 1 x Storage Case