Uncle Mike's Sentinel Standard Key Holder Black. Made of molded foam with a ballistic nylon outer shell Sentinel is as functional as it is durable. Specifications for Uncle Mike's Sentinel Standard Key Holder: Manufacturer: Uncle Mike's Color: Black Age Group: Adults Features of Uncle Mike's Sentinel Standard Key Holder Sturdy construction Single handcuff case Package Contents: Uncle Mike's Sentinel Standard Key Holder Uncle Mike's 89062: Sentinel Standard Key Holder Black