Made of metal. Press the plunger and you will get a clear and loud sound. Loud bell for cheering at sporting events, wedding, party, concert and so on. Perfect as a help bell to catch someone's attention. Such as your kids,your old parents and abstracted people. 3 3/8" D x 2 1/2" H
Normal Production Time
15 Working Days
Product Size
Length:3 3/8:in;Width:3 3/8:in;Height:2 1/2:in
Additional InformationIt's a kind of instrument, wildly used in many occasions.