This is a 3 tier nonstick cooling rack made by n unknown maker.
The rack is silver metal and made with the ability to stack on top of one another for cooling cookies and other items.
They each individual measure 13.5" long x 9.75" wide and is 3" tall. When all 3 are stacked together they stand 7.75 " tall.
The racks come in great pre-owned condition.