Durable, high quality, high strength 18/8  grade stainless steel.  Classic design with brushed steel finish all around and a polished finish on top and bottom.  Made of food grade #304 stainless steel with no plastic liner and an electro-polished interior that eliminates any metallic taste.  The 8 ounce capacity will hold any type of distilled spirits and the concave shape fits comfortably in a hip pocket, jacket, purse or bag.  Safer to transport and use than glass.  The threaded screw -down lid and attached swing top hinge reduce the possibility of leaks and a lost cap.  Perfect for Dads and Dads to be.  Great to take along for any outdoor activity, camping, tailgating, golfing, skiing, events and celebrations.