Description: Premium Material: This whistle is made of high grade material, which ensures the long time service and durability. Practical: This whistle has a practical function that can make a loud noise, which can be used as a warning tool. Portable: This whistle is quite small and light-weight, so you can carry it with yourself. Sweet Gift: This whistle is a good choice as gift for your children and friends. Wide Use: This whistle is applicable for birthday party, celebrations and other parties. Specification: Color:Black Golden Material: Plastics Size: about 16.5*0.9*0.9 cm/6.49*0.35*0.35 inches Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 30 Pieces Whistles Premium Material: This whistle is made of high grade material, which ensures the long time service and durability. Wide Use: This whistle is applicable for birthday party, celebrations and other parties. Sweet Gift: This whistle is a good choice as gift for your children and friends. Portable: This whistle is quite small and light-weight, so you can carry it with yourself. Practical: This whistle has a practical function that can make a loud noise, which can be used as a warning tool.