Our whistle is super loud and you can use it when you want to get attention of others quickly. Suitable for most occasions. It is not only suitable for soccer, basketball and volleyball, track and field training and other outdoor training. It can also be used when you are out camping, hiking, riding, swimming, and boating.SpecificationColor: Light BlueMaterial: ABS PlasticSize: 52 x 20 x 26 mm/ 2.05 x 0.78 x 1.02 inch (L*W*H)Weight: 37.6g/1.33 ozPacking List: 1 x Whistle, 1 x Neck Lanyard, 1 x Hand Lanyard, 3 x Silicone Mouth Grips, 1 x Storage BoxAdvantage1. The whistle is made of thicken ABS material, durable, safe and can use many years.2. There are no moving parts inside the whistle, which is easy to blow, and the sound penetration is strong.3. Soft mouth grips, clean and dustproof. It can protect your teeth and lips better.4.