This Aspen Four Shelf Unit by Adesso is powder coated with a sanded light grey finish. The tempered glass shelves are silk-screen printed white on the underside, each 3/16" thick. Glass shelves: 21.75" W, 11.75"D. The shelf supports are 1" thick. Clearance from floor to bottom shelf is 5.5". The clearance between each shelf is 13.5". The weight capacity for each shelf is 46 lbs. Metal, glass.