This pigeon whistle is made of high-grade materials, durable and can serve you for a long time. Small and light, easy to carry out, can bring you a good experience. Mainly establish contacts with homing pigeons and train homing pigeons. A nice gift for friends who like to keep birds.Features-Color: Silver, golden-Material: aluminium alloy-Size:10.80X1.70X1.00cm or 4.24X0.67X0.39in-Made of high-grade aluminium alloy materials, it is practical and durable and can serve you for a long time.-The sound is loud, but it will not harm the pigeons. It is a perfect training tool for pigeons.-Ultrasonic pigeon training flute is a good tool to establish communication and training with love pigeons.-It is small in size, light in weight, convenient to carry and store, and does not occupy much space.-The workmanship of this product is perfect, and you will have a good experience in using it.Packing list2 x whistles