A pure cotton percale cover and a duck feather and down filling will provide years of soft insulation and support as only nature's best materials can. The piped edge and double stitched seems of these hand made pillows offer the finest levels of support and indulgence. Duvets are also available and are a great addition to any bed. The fabric is treated with an antibacterial inhibitor allowing your pillows to retain their just new feel for years to come and may assist in the treatment of asthma, exzema and other dust-mite related allergies. machine washable.