♥ Our comfortable durable superior protection safe materials Mouth Guard is suitable for Lacrosse, basketball hockey, football, flag football, field hockey, rugby, martial arts, karate, MMA, boxing, BJJ, wrestling, or any other sport that requires dental protection against repeated violent physical contact. ♥ Features: Adult Size : 2.559 in. (Width) x 1.929 in (Length) x 0.709 in. (Height) Youth Size: 2.087 in. (Width) x 1.811 in (Length) x 0.630 in. (Height) Non-toxic and odorless 100% Silica Gel High density structure, soft and tight Free mouthguard case Dual density structure, softer than other teeth protectors Heating snap-in design, more fit users’ tooth form. ♥ How to use: 1. Put it to cup of warm water (70 degree) till soft. 2. Once it is soft, insert it to your upper teeth in mouth. 3. To memorize your mold of teeth, bite it. 4. If teeth protector fits to your mouth, clean it with water and use it 5. If it is not fit to your mouth, you can fix it again from step 1 ♥Suggestions: Product will appear small in the package, however, follow instructions for proper fitting procedures and the mouthguard will expand and mold to your teeth/mouth. Tooth protector is a protective device for entering the mouth, so we must pay attention to hygiene everyday. Before and after use, we often use clean water to wash and put it in the protective box for preservation. The next time we use it, If we find that it does not fit the teeth, we can use it again. It is recommended to replace it once in three months. ♥ Recommended Sports: Football Wrestling and Boxing Baseball, Basketball, Tennis Jiu Jitsu, Taekwondo, Karate, Judo, MMA, and other martial Arts For any contact sport where a mouth piece is needed or required! Package Includes: 1 x Mouth Guard 1 x Mouth Guard Case