Features: 100 new and high quality Material:Silicone Mouth guard with excellent quality Dual density structure, softer than other teeth protectors Heating snap-in design, more fit users' tooth form. Groove fit the surface of the teeth, convenient to keep breathing smoothly and does not affect the protective effect of teeth during strenuous exercise. The mouth guard can reach to rear molars, to provide complete protection. ideal for paratrooper, judo, grapple, free combat, ice hockey, rugby football, BJJ, baseball and Muay Thai etc. Usage: Put it to cup of warm water70C to 80C till soft for about 10 seconds. If it is soft, insert it to your upper teeth in mouth. To memorize your mold of teeth, bite it 1015 seconds. If it is fit to your teeth, clean it with water and use it. If it is not fit to your mouth, you can fix it again from step 1 Notice: Setting the water temperature of 70-80 C is appropriate, soaking time should not exceed 10 seconds. Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. Package List: 1 x Mouth Guard