ITEM NAME:2Pcs/Set Food Grade EVA Boxing Mouth Guard Piece Karate MMA Thai Gum Shield Description: - Food grade EVA material, 100% BPA free, non-toxic and harmless - Easy to fit and molds to teeth and gums, providing a comfortable fit for extended use - With internal shock-absorbing frame for ultimate protection - Integrated breathing channels make it easy to breathe and maximize performance - Suitable for all contact sports such as football, basketball, lacrosse, hockey, MMA, boxing, jiu jitsu and much more Specification: - Material: Food Grade EVA - Size: Approx. 4.8 x 5cm / 1.89 x 1.97 inchï ¼Å’one size fits most - Color: Black + Blue How To Use: - Please make it for fitting from your teeth as follows - Step 1: Put it to cup of warm water (70℃ to 80℃) till soft for about 10 seconds - Step 2: If it is soft, insert it to your upper teeth in mouth - Step 3: To memorize your mold of teeth, bite it 10~15 seconds - Step 4: If it is fit to your teeth, clean it with water and use it - If it is not fit to your mouth, you can fix it again from step 1 Package Included: 2 Pieces Mouth Guards (with storage case) Note: Due to the differences between different monitors, the picture may not reflect the actual color. There is 2-3% difference according to manual measurement, please check the size carefully before you buy the item. Thanks!.Food grade EVA material, 100% BPA free, non-toxic and harmless. - Material: Food Grade EVA. - Step 2: If it is soft, insert it to your upper teeth in mouth. - Easy to fit and molds to teeth and gums, providing a comfortable fit for extended use.