Mindfully made, this mattress pad is crafted with an upper layer in a blend of cotton and Tencel, filled with recycled polyester fibres for added comfort, and a polyester skirt fitting 18" mattress depths. Certified by OEKO-TEX®, which tests for known harmful substances and chemicals as well as for acidity and colour fastness. Packaged in an unbleached cotton fabric bag that can be reused.