This discreet and cute safety whistle is perfect to attach to your car keys, your kid's backpack zipper, your purse or even to wear around your neck when you are working out. It is hand stamped with your custom text to give you confidence and make you feel like the badass you are. It also makes a great gift for someone special to know you are always thinking about them and want them to come home safely. About the whistle: • The whistle measures about 2" x 1/2". You can choose between matte gold and matte silver. • The whistle provides up to 120 decibels of sound (that's loud, we promise) • The whistle is made of aluminum and is extremely lightweight and durable. • You can customize your whistle with up to 20 characters to be hand stamped in cute print letters. • The whistle comes with your choice of either a silver or rainbow keyring or a ball chain.