Comfortable to Carry: Make your KeySmart comfortable to carry & easy to access Keep Your KeySmart Pro in Place so you always know where to find it. No more digging in your purse or pocket! Extra Security: Secures to your  pocket, purse, or belt so you can trust that your keys will stay put Easy to Add in 3 simple steps Made with Durable Stainless Steel for a sturdiness you can rely on Compatible with All KeySmarts except the legacy white KeySmart Pro, KeySmart Classic, and KeySmart Max