BENEFITS BPA and Latex free grade material for your safety Middle airflow hole for breath Custom fit, moldable to different mouth shapes Relief teeth grinding, bruxismMOLDING INSTRUCTIONS To shape the Mouth Guard, please refer to the instruction. Be cautious Do not overheat water, or it may cause mouth scalding or mouthpiece distortion. GOOD SLEEPMULTI-USE MOUTH GUARDS 3 in 1 Versatility teeth protectors can be used as teeth grinding night guards, athletic mouth guards, and whitening tray.How to use 1.Boil in water. 2.Bite down hard and suck out all the air. Also, press firmly on your lips so that the soft gel portion molds even better. 3.When biting down, remember not to bite too hard where your teeth bite through the soft gel.CUSTOMIZED FIT AND EASY TO USE Thickness is only 0.08"" (2mm), fits most of all mouth and can be moldable to different mouth shapes alignments and teeth sizes.PACKAGE INCLUDES 1 * Mouth Guard 1 * Blue Handle 1 * Anti-bacterial Case 1 * Instruction