Size: 18 * 18 \", it\'s just pillow cover(3pcs random), not includeing contain pillow core. Positive is the printing pattern; the opposite is pure color cotton, not have printing pattern. Zippered pillow case, with a zippered opening on the side. Using 55% flax and 45% cotton, harmless to human health, the best Christmas decoration. The use of cotton and linen blended, fully integrated the advantages of cotton and linen, soft sweat.