This is an unopened item. I purchased it for a good night's sleep, but I ended up not using it because I had surgery. It's a mouthguard that can be custom-made to fit your teeth. Please purchase only if you understand that it has been stored at home in a pet-free and non-smoking environment. ● Other Notes: There are no scratches or stains, but please check the photos before purchasing. Also, please be sure to read the precautions for use when you purchase it.