New, Unused Clean and safe with antibacterial treatment! Antibacterial material is used for the main body and pull ring to suppress the activity of bacteria. High volume 85db. Recommended product by the Crime Prevention Association (No. 17H203※) Power supply: Coin-type lithium-ion battery (CR2032 or equivalent) [Specifications] Size: Approximately W35 x D24 x H45mm Battery check button Compatible with school backpack belt Name tag sheet included LED light Simple, safe, and secure ✨️Although it is new and unused, it has been stored at home, so please refrain from purchasing if you are nervous or seeking a perfect product. We are waiting for those who understand. ◎Instant purchase OK ◎Ships within 24 hours #SchoolBag #NameTagSheet #HighVolume #Antibacterial #WaterResistant #CrimePrevention #Alarm