I will wrap it in bubble wrap and ship it via Yu-Packet Post Mini. This is a security alarm with a simple design featuring the familiar check pattern and Fam-chan. It can be attached to a school bag, and its cute design makes it suitable for adults to use as a daily crime prevention measure. The alarm sounds when you pull up the key chain part. *The main body and the key chain part will not completely detach. 〈Product Specifications〉 ・Output volume: Approximately 85dB ・Target age: 6 years old and up ・Weight capacity: 3kg ・Batteries: CR2032 type x 2 〈Size〉 ・Total length of the main body: Approximately 11cm ・Buzzer diameter: Approximately 4.5cm ・Buzzer thickness: Approximately 2cm