These Southern Homewares sturdy wire under shelf baskets are designed to help increase your storage space. Installation is as easy as sliding the rack on an existing shelf and you are good to go! No drilling, tools, or additional parts needed! These shelves are made of rugged steel with a black coating and are designed to be both durable and aesthetically pleasing. Incorporated into the design are two "roll holders" that are perfect for holding items such as wax paper, aluminum foil, paper towels, or anything thing else that may be taking up valuable shelf space. Set contains 2 shelves. Overall Dimensions are 11.50" x 9.75" x 7.75". Maximum shelf thickness 1.50". Basket dimensions are 9.25" x 10.00" x 4.13". Paper towel holder is 1.31" in width and 9.00 in length. Distance between the bottom of the basket and paper towel holder is 1.75"