100% new and high quality Condition: Brand New Color : Clear Flashing Color :Red ,Blue , Green , Yellow (Blinks in Alternating Colors) Number of Light: 4 Material: Non-toxic Soft Silicone Totally amazing party attraction, you will love the way your mouth glows Wear your flashing mouthpiece to any party or picnic and been seen today Simple push-button on\/off operation ,Hand-washable Completely sealed for personal safety ,Make your smile truly beam Package Included : 1 x LED Flashing Light Flash Mouth Guard Piece (Built-in AG13 button battery (not included)) How to Use It: -Downward the grooves, put the mouthpiece on your lower teeth -Bite the piece, and press the button with your tongue to turn on\/off( Shown as the following picture) Note :There is 2-3% difference according to manual measurement. please check the measurement chart carefully before you buy the item. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! High quality in EU and US quality standard converse : 1 inch = 2.54cm or 1cm = 0.393 inch NOTE: the product in the picture maybe larger than actual one, Please check the size before Bidding!