Brand new, unopened. Available for immediate purchase. Please refrain from purchasing if you are looking for a perfect item, as this is a home-stored item. - Safe as it glows and provides high visibility during nighttime walks. - 7 colors and rainbow mode, plus a flashing mode to choose from. - Can be used continuously for approximately 12 hours (varies depending on the mode and environment). - Easy to adjust the size with scissors, suitable for a wide range of dogs from small to large. - Waterproof, so you can use it even on rainy days. - Easily rechargeable via USB.