REF table lamp is made of cast concrete.‎ Designed by Valentino Marengo in 2017.‎Ref, a contraction of the word 'reflection,' is a concrete table lamp designed to illuminate by reflecting light off its own body.‎This concrete table lamp is produced through our company's Zero Waste Project developed over the past 3 years, with a recycling rate of 20%.‎It is available in 2 shades of grey, in various colors ranging from warm to cool tones such as beige, terracotta, olive green, dusty blue, etc.‎Its organic shape is made of cast concrete and black powder painted steel.‎24 Led (NICHIA)Input (V):230V - 2.‎2watt>50.‎000h.‎280 Lumen- 3000K, 4000K, 5000KCE - IP20