The supremely comfortable eco grand 4000 pocket mattress features 4000 individually pocketed springs and natural fillings includingcashmeresilkhorsehairmohairwoolpolyesterfoamthis anti dust mite and anti bug mattress further boasts a tufted quality ecoshield cotton cover four turn handles and two vents which allow the mattress to breathemade in the uk and made to orderplease note spring count refers to a 5ft kingsize model