The tray is 18cm long /9.5cm width/ 2cm tall in margins. Each tray is hand poured to order , and although we give our best, they will not be twins. EACH PIECE IS MIXED, POURED, SANDED & SEALED BY HAND. THEY WILL HAVE RUBBER FEET ON THE UNDERSIDE TO PROTECT YOUR FURNITURE FROM SCRATCHES. AIR BUBBLES NATURALLY OCCUR IN STONE MIXES AND THEY ARE NOT CONSIDERED A FAULT, BUT A UNIQUE FEATURE. WE SEAL THEM AGAINST LIGHT STAINS AND HUMIDITY, BUT WE DON'T RECOMMEND TO BE DISPLAYED IN A HIGH HUMIDITY ENVIRONMENT. CARE: HANDLE WITH CARE. -WIPE UP SPILLS QUICKLY USING A SOFT CLOTH. -AVOID THE USE OF AGGRESSIVE SCRUBBING PADS OR ABRASIVE CLEANSERS. -DO NOT USE WITH FOOD. -DO NOT USE SURFACES FOR CUTTING.