Thank you for viewing! We offer valuable lifestyle products at affordable prices. This is a high-volume whistle. It's a high-volume whistle that is useful not only for club activities and recreation, but also in times of disaster. It comes with a full set of accessories, including a neck strap, a storage case, and three mouth guards. Made of ABS material, it can be washed and kept clean at any time. 【Specifications】 ・Color: Black ・Material: ABS resin ・Size: Total length approx. 5cm, width approx. 2cm 《Regarding Shipping》 ◎Address changes cannot be made after purchase. ◎Items returned due to an incorrect address will be resent with the recipient paying the shipping costs. Please confirm your address before purchasing. ◎Shipping will be via regular mail with no tracking. ◎It will take approximately 3-5 days for the product to arrive. Please be aware of this. ◎Shipping will be done on weekdays when the post office is open. 《Other》 ◎As this is an imported product, there may be loose stitching, small scratches, or stains. Please understand this before purchasing. ◎The color may look slightly different depending on the type of monitor you are using. ◎We will ship in simple packaging to keep shipping costs as low as possible. ◎If you have any issues after receiving the product, please contact us before giving a rating. We cannot respond to issues after a rating has been given.