1、2PCS of mouth guard are included, you can choose the size depending on your need. 2、Made of food grade EVA material, soft, durable and flexible. 3、Packed in a plastic storage case, convenient for you to carry. 4、Molding them to teeth is easy. 5、Comfortable to sleep with it. Description: Designed for people who have trouble of teeth grinding during sleep time. It aims to help them have a good night and get rid of teeth grinding. Why not have a look? Features: 2PCS of mouth guard are included, you can choose the size depending on your need. Made of food grade EVA material, soft, durable and flexible. Packed in a plastic storage case, convenient for you to carry. Molding them to teeth is easy. Comfortable to sleep with it. Specifications: Type: Anti Grinding Teeth Protectors Material: EVA Color: Transparent Model: Large, Small (Optional) Quantity: 2pcs Item Size: Large: Approx. 6.5 * 5.3cm / 2.56 * 2.09in Small: Approx. 5.5 * 4.5cm / 2.17 * 1.77in Package Size: Large: Approx. 9 * 9 * 3.5cm / 3.54 * 3.54 * 1.38in Small: Approx. 9 * 7.5 * 3.5cm / 3.54 * 2.95 * 1.38in Package Weight: Large: Approx. 50g / 1.76oz Small: Approx. 35g / 1.23oz Note: 1. Please soak it in hot water about 40℃ when you wear it for the first time. 2. Please drink some water before you wear it. Package List: 2 * Teeth Guards 1 * Storage Case 1 * Instruction (Multi-language) 2 * Teeth Guards 1 * Storage Case 1 * Instruction (Multi-language)