High Quality Material: The Selfty Defense Keychains is made of aluminum alloy, sturdy and lightweight. The surface is smooth, not easy to scratch, and the grooved handle, the grip is better.Creative Design: The safety Anti-Wolf Stick Keychains have finger grooves, whorl design fit your hands securely to better control and grip. Safety Tool for Women, Men, Girls, Teens.Easy to Carry: Comes with key chain ring and quick release buckles, portable and easy to use. Install it on key chain, bag, backpack for convenient use. A must self-protection tool for you and your family.Wide Application: It is not only a self defense keychain, but also a car window breaker, a good device for window or other glass to break the car to avoid accidents. Refuse and prevent any potential hurts in life, a great tool to protect yourself when go to party, outdoor, travel, vacation, night jogging, etc.9 different bright colors anti-wolf keychains to decorate your keychain or backpack. Perfect gift for Birthday, Christmas, New Year, Valentine's Day, etc.Colour:Black, silver, green, gold, red, light blue, dark blue, rose red, purpleMaterial:Aluminum alloySingle size: about 5.31x 1.18inches/13.5x3cmPackage Contents:18 x selfty defense keychainsNote:Please kindly take it away from your kids.Please kindly not take it to court, government or airport.Please kindly not attach it to the car ignition keys.You can kindly watch some training videos to avoid hurting yourself.Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.