New design with two ends to apply cold direct pressure, one side is curved which is great to easily use on uneven part of the face and the other side is flat. Curved side great for cheek bones and eyebrow, flat side is for temples, easy to hold, Durable stainless steel construction. Solid stainless steel. Stays cold for hours. Recommended to keep it in ice. Reduces swelling and bruising. Used by professional and amateur trainers