Cala Sage Organic Duvet Covers by John Robshaw. 400 Thread Count organic long staple cotton percale. Finely woven, durable exceptionally soft and smooth. Twin Duvet, Queen Duvet and King Duvet with Pillow Shams in King, Standard and Euro Square John Robshaw Bed Linens are durable and washable. All pieces sold separately. Sets not available. 400 Thread Count. 100% organic long staple cotton percale. Finely woven, durable and exceptionally soft. Made in India To Launder your John Robshaw Bedding: Machine wash cold, separately, delicate cycle. Tumble dry low. Do not bleach. Iron at medium setting if necessary. John Robshaw Bedding ORGANIC 400 TC PRINTED DUVET COVERS