Material:The front is made of 100% polyester crystal velvet fabric, and the back has plastic anti-skid particles, which has good anti-skid performance. Features: Environmental protection, no peculiar smell, no crumbs, no color fading, avoid direct sunlight on the back. Shape: RoundCan be used under desk and bedroom, kitchen, bed, sofa, home, floor, door, hotel, etc. Size:40cm (16 inches)50cm (20 inches)60cm (24 inches)70cm (27.5 inches)80cm (31 inches) )90cm (35 inches)100cm (39 inches)120cm (47 inches)140cm (55 inches)150cm (59 inches) 160cm (63 inches)180cm (71 inches)