[Product Information]

Enter your model numberto make sure this fits.
USER-FRIENDLY. With excellent airflow design, easy to whistle and make a loud, clear and melodious sound.
LIGHT AND TINY. Weight: only 16 g(0.56 oz), Size: 41.5*10*10 mm(1.63*0.39*0.39 inch)
PREMIUM MADE. Made of H62 brass.Outer surface is well polished and acid pickled to protect it from scratching and oxidation.
PORTABLE. With a ring on the top, you could put it on your keychain and take it everywhere you go.
MULTI OCCASIONS APPLIED. Ideal for many outdoor activities, such as camping, hiking, training, basketball,etc. It's also used for communication with companion in remote areas,calling for help in emergency, or EDC collections.100% money-back GUARANTEE if you are not satisfied.No questions asked.