Description: characteristics: Prevent the teeth from squeezing and grinding Remove the noise of bruxism, improve your sleep quality. Non-toxic silicone material, use with safety. Easy and convenient to use Specifications: specifications: Article: Mouthguard Material: Silicone Color: As Picture Size: Approx. 100X10mm / 3.9 X 0.39in. (L * W) Applicable: Time of Sleep Package Included: package 1 X Mouthguard