Hello! Welcome to our store! Quality is the first with best service. customers all are our friends. Water proof and easy to clean. Double side with different patterns for choosing. Soft floor surface for babies and children to play on from birth to school. The cushioned surface ensures a soft landing for rolling tumbling and falls. Perfect for reducing noise and impact and a great insulator on all floor surfaces. Size: 180cm x 120cm(about 71 x 47 ) 200 x 180cm(about 79 x 71 ) Thickness: 0.5cm(about 0.19 ) There is 2-3cm difference according to manual measurement. please check the measurement chart carefully before you buy the item. 1 inch = 2.54 cm Please note that slight color difference should be acceptable due to the light and screen.