This 45 x 185 cm bolster case is suitable for bolsters from 80 cm to 160 cm. This range of pillowcases is made from quality cotton. The weave is tight, 57 threads/cm2. We recommend washing at 40° to preserve the colours perfectly, white can be washed at 60°C. Composition: 100% cotton. These bolster pillowcases are made in a OEKO-TEX Standard 100 factory, an independent certification system that ensures textiles do not contain harmful products.