Is it a vortex, is it a tunnel? No it's the Optical Illusion Black and White Rug Choose from 5 different sizes depending on the size of your room Perfect for making a statement in your home Made with a soft polyester fiber which is comforting under foot Anti-slip design means it won't be sliding around your floors Easy to clean simply use a vacuum and wipe water stains with a damp cloth Buying Options:  9.99 pounds instead of 39.99 pounds for the 40cm x 60cm rug - save 75% 14.99 pounds instead of 44.99 pounds for the 60cm x 90cm rug - save 67% 19.99 pounds instead of 49.99 pounds for the 80cm x 120cm rug - save 60% 39.99 pounds instead of 54.99 pounds for the 120cm x 160cm rug - save 40% 43.99 pounds instead of 59.99 pounds for the 100cm x 200cm rug - save 42%