Made of 304 stainless steel, food grade silicone edge, integrated design, rust , skid . Designed for maximum capacity, dry dishes with proper drainage and ventilation. Perfect for use as a non-slip tripod in a hot pan or baking pan. Triangular frame, can make full use of kitchen sink corner space. Can be used as a small rack for fruits and vegetables to drain dishes or just do whatever you need for cooking preparation; makes your kitchen look less cluttered, saves counter space, is easy to clean, and can be folded into different sizes.