A luxurious densely woven fabric 65 threadscm made up of very fine long staple combed cotton fibres karo fitted sheet this fitted sheet is best quality 2 year guarantee fitted sheet is washable at 60100 cotton percalea luxurious densely woven fabric 65 threadscm made up of very fine long staple combed cotton fibres karo fitted sheet this fitted sheet is best quality 2 year guarantee fitted sheet is washable at 60100 cotton percalethe oeko tex label guarantees