Fullsexy 5 PACK Self-defence key chain aluminum anti-wolf Defense Keychain, ladies's aviation rings (style3) Size: 14 cm / 5.5 inches/ weight: 1.6 ounces The key chain defense Surface through special processing, not easily get scratches. The self defense key chain is made of solid avation aluminum(solid), it's a must self-protection tool for you and your family. 5 Pack with different colors for the defense key chains, they will be more cost-effective to purchase, and can be also a good gift to your female friends Refuse and prevent any potential hurts in life, the self defense keychain is a good tool to protect yourself at any time