Vanmor 6 Pack Youth Mouth Guard Sports Mouth Guard for Kids Double Colored Kids Gum Shield for Football Basketball Boxing MMA Hockey with Free Case Specifications Material: EVA food grade material Weight: 6.56 ounces Package Includes 6 x Mouth Guard 6 x Mouth Guard Carrying Case Use suggestions: 1. Put the mouth guard into warm water (80 degree) till soft for about 30 seconds. 2. Once it is soft, insert it to your upper teeth in mouth. 3. Mouth bite down and use fingers to finalize shaping process for 20 seconds. 4. If teeth protector fits to your mouth, clean it and put into cold water for 10 seconds. 5. If it is not fit to your mouth, you can fix it again from step 1.