Aluminium body with rivets. Last 3 photos are from the web to show design details. Solid and very heavy. Solid, sturdy furniture, will last forever. As with most glass products, sensible precautions should be adopted which would include, but is not limited to, never placing hot objects on glass surfaces and understanding that (due to their age) glazed units, glass shelves and surfaces are unlikely to be made from safety glass and will thus have limited strength and weight-loading capacities.