This whistle is a must-have for any outdoor sports enthusiast! It's made of durable aluminum and plastic, ensuring that it will last for many adventures to come. The whistle comes with a lanyard, making it easy to keep it close at hand during games or hikes. The Hipat brand is well-known for producing high-quality sports equipment, so you can trust that this whistle will perform well. The whistle is perfect for basketball and other sports, as well as outdoor survival situations. The loud sound can be heard from a distance, making it a useful tool in case of an emergency. It's lightweight and compact, measuring 1.81 x 0.71 x 0.83 inches and weighing only 10 grams, so it won't weigh you down while you're on the go.