Limited Edition color and size. It is a bit larger and thicker than our other ModDotz colors at 20mm diameter and 5mm thick. Each sheet measures 0.97 square foot. ModDotz high fired glazed porcelain penny rounds are fresh and modern, but with a nod to retro style. This porcelain has a very low moisture absorption rate and is great for indoor and outdoor use including wet areas. They're great on floors and walls and have been most popular in bathrooms, kitchens and swimming pools. ModDotz porcelain dots measure 20mm and come mesh mounted on 0.97 sq. ft. sheets. To calculate the number of sheets needed for your installation, use the sq. ft. to sheet calculator above or divide your square footage by 0.97.