1.silicone rubber material 2.horn speker shape 3.no battery,portable,wireless 4.comptitive price 1, Made of 100% food grade silicone material2.Size: 70*190mm 3.Shape:Trumpet holder;horn stand;loud speaker4,All colors are avaible5, Light weight, washable 6, Unique ergonomic design 7, Quality certification and environmental certification 8, Non-stick, flexible and easy to clean, harmless 9, Easy ...