I'm selling this because I bought it to compete in a martial arts match in November 2025, but the match was canceled and I didn't use it. This is a custom-made type where you take an impression of your teeth at home. I will include the Amazon order number on the customer information card, so please enclose it when you ship it. It seems they can make it in 7-10 business days. You can choose from the following colors for the sports mouthpiece: Clear, White, Black, Blue, Yellow, Pink *There is a tutorial video on how to take a dental impression. 20260109 miraila Custom Sports Mouthguard for Martial Arts, Rugby, Baseball, Wrestling, Practice & Competition, for Adults & Children, 4mm Thick | Impact Absorption, Protects Teeth, Comfortable Fit, 1 piece