PREMIUM MATERIAL: Our nice bicycle bells with stylish designs are made of high-quality aluminum material that is lightweight, strong, fashionable and durable. They are ideal for children's bikes, boys, girls and adults. The aluminum bike bell's diameter is about 2.12 inches (5.38 cm) that can be easily installed on the right or left side. CUTE DESIGNS: A variety of bright colors and cute images are beautifully printed on the round front surfaces of each bicycle bell to make your bike handlebar unique and stylish and also give you a nice day. FRIENDLY-SOUNDING RINGTONE: With a pleasant-sounding ringtone, this fashionable bike bell is great for providing you with a safe riding route as well as warning pedestrians or passing vehicles without startling them. Plus, you can control the bell volume by either flicking the ringer gently or hard to have enough attention. UNIVERSAL FIT, EASY TO INSTALL: These adorable aluminum bicycle bells fit any regular bicycles, mountain bikes, tricycle electric bikes, kick scooters, balance bikes, etc. The complete installation can be easily done within 1 minute with just a screwdriver. PERFECT GIFTS: The aluminum bike bells with nice designs are an excellent gift choice for children, adults, boys and girls on special occasions such as Children's Day, Birthdays, Christmas, Thanksgiving, etc. Product size: The nice bike bell's diameter measures about 2.12 inches (5.38 cm) that can be easily installed on the right or left side. These cute bicycle bells with beautiful one-sided prints are made of durable quality aluminum material which is lightweight, strong and fashionable. Give your bike handle bar a stylish and unique look. The pleasant-sounding ringtone provides you with a safe riding route as well as warn pedestrians or passing vehicles without startling them. Easy to control the bell volume by either flicking the ringer gently or hard to have enough attention. It's suitable for any regular bicycles, mountain bikes, tricycle electric bikes, kick scooters, balance bikes, etc. Make it as a nice gift for your children, adults, boys and girls on special occasions such as Children's Day, Birthdays, Christmas, Thanksgiving, etc. Package includes: 1 x Bicycle Bell.