Fitment: Excellent for Boxing, Kicking, MMA, Fighting, Muay Thai, Sanda, Taekwondo, Fire Fighting, Jiu-Jitsu and other vigorous exercises. Specification: Color: Black Condition:100% Brand New Features: Non-toxic and odorless 100% POE Groove adjust the surface of the teeth, convenient to maintain gentle breathing. Heating snap-in design, more fit shape of users' teeth. High density structure, soft and firm The mouth guard can reach the rear molars, to provide complete protection. Description: Directions: 1.Put the protective teeth into the hot water cup (60 degrees to 70 degrees) until softening for about 10-15 seconds. 2.Since it is soft, insert it to the upper teeth in the mouth. 3.To memorize your cast for teeth, bit that by 10-15 seconds. 4.If the protective teeth fits into your mouth, wipe it with water and use it 5.If the protective teeth does not fit into your mouth, you can correct it again from step 1. Excellent for Boxing, Kicking, MMA, Fighting, Muay Thai, Sanda, Taekwondo, Fire Fighting, Jiu-Jitsu and other vigorous exercises. Will not affect the protective effect of the teeth during strenuous exercise. Package: Sports Mouth Guard BFYWAL Mouthguard Slim Fit