Sea wave sound effect: These marine drum instruments create the swirling sound effect of the ocean, which can create a relaxed and cheerful atmosphere, allowing you to enjoy the pleasant sound of the sea, giving you the feeling of being at sea. The package includes 2 professional drums, 8 inches in diameter, which are easy and comfortable to use and plentiful for your or school use. Our wave drums have a sturdy construction and the drum rings are made of wood with a , textured surface that is not easily broken or deformed, with lots of small steel balls inside, making them sturdy and durable for your use. Wide range of applications: these Ocean Sound drums are perfect for music classes, whether playing alone or with a group; in addition, these drums are suitable for concerts, weddings, birthday parties, family reunions, gatherings of friends, camping and picnics. A tool: these tambourines are and reliable, simply tilt the drum horizontally to create the sound of waves and hit the drum to rough seas; and they can be used as the perfect educational tool to help develop children's musical potential and train coordination skills, as well as to stimulate their interest in sound and music Color: Wood Color Material: wood+metal Package Contents: 2 x Tambourine Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.