material: The inner layer of gum shield is made of EVA food grade material which is odorless safe non-toxic and comfortable to wear Size: Each Adult Mouth Guard suitable Comfortable for youth/Adults above 15 years old It comes with a plastic carrying case Comfortable for easy storageEasy to Mould: Just soak in about 80 degree hot water Comfortable for half a minute and bite into it making the gumshield mould easily and perfectly fit to your child teeth and gums You can breathe speak and dink without removing the mouthguardsComprehensive Protection Comfortable for Your Mouth: With dual layer designs this sports mouth guard provides the best fit with shock absorbent protection Comfortable for you gums teeth and lips will not hurt your gums lips or causes pain and uncomfortableEssential Items Comfortable for Sports: Perfect Comfortable for football basketball hockey lacrosse soccer boxing MMA Martial Arts and other sports