Size Details -- Rectangle: about 428x318mm/16.8x12.5 inches, 0.1mm thick, 1 pc; Flat Circle: about 320mm/12.6 inches in diameter, 0.5mm thick, 1 pc. 2 styles for you to choose from, convenient for you to operate and use. Good Quality -- Made of high quality PVA material, strong sense of fit, soft texture without dropping lint, strong absorbency can quickly absorb excess water on the surface of the object, which can make the clay retain moisture for a long time and prevent cracking. Pottery Making -- Ceramic auxiliary mat can replace the clay to fix the turntable and mat board of the pulling machine, used as the base of clay, ceramics or pottery, it can increase the friction between the clay and the machine, to prevent slipping, and improve the efficiency of making ceramic utensils. Steps for Use -- Wet an absorbent towel, wring out the excess water, then place it flat in the centre of the turntable of the blank making machine, then wet the density board and place it on the absorbent cloth, press to expel the excess gas, and then you can start to make ceramics. Wide Application -- Suitable for any material ceramic making board, such as gypsum board, wood board, acrylic board, composite board, wood fibre board, instead of the traditional method of fixing the board with clay. You can also use the bat pad directly on your desktop.