specifications: Article: Dental Mouthguard Material: Silicone Color: As Picture Size: Approx. 100X10mm 3.9 X 0.39in. (L W) Applicable: Time of Sleep Package Including: 1 X Dental MouthguardAccording to customers which used night guard during the night, they observed that the night guard helped them have a better sleep too. Do not use in Full Contact sports. All individual adjustments can be made by patients themselves, using hot water to soften it and then to mold it around the teeth using the fingers. Protect your smile with a true custom home fit gum shield, which match perfectly with your teeth. In just a few simple steps, you're going to have the best thermoforming mouldable bite splint for your teeth. Non-toxic silicone material, use with safety.Easy and convenient to use,More comfortable at night with immediate results. These night time trays will offer you great comfort upon wearing. The ultra-comfort guard relaxes jaw muscles, prevents teeth grinding, clenching and alleviates problems that may cause dental injuries.