1.Both a bottle opener and a whistle.It is made of zinc alloy.
2.Size: 3.3" x 0.4".
3.Referees,children,students and other people can use this in outdoor activities, traffic command, etc.
4.Suitable to be a souvenir,promotional gift, or for decoration.
5. It's easy to carry on your key chain as it has a durable key ring.
6.Fashion, cool, portable, durable and Eco-friendly.
7.You are welcomed to add your school, sports team, organization or company logo or message to it.Price subjects to change without notice, please verify with supplier.