EACH SLEEK ALUMINUM SHELF PIVOTS WITH A SMOOTH DROP-RESISTED MOVEMENT TO REVEAL ITS UNDERSIDE, FEATURING INTERCHANGEABLE, CUSTOMIZABLE ARTWORK AND MATERIALS, OR THE BEAUTIFUL LUSTER OF THE CLEAN ALUMINUM FINISHES. all components are made from solid extruded aluminum with a durable anodized finish. made and assembled in the USA. Every shelf is 16" wide x 9" deep and a minimal 1/4" thick, holding up to 8 lbs per shelf. The modular rail-based design along with customization options, allow Riveli to be tailored to the style or size of any space.