Sien + Co Zona Highland Sheep Wool Woven 20”x20” Pillow Cover Midnight Blue New with tags Details: Handwoven by skilled artisans in Northern Argentina, the Zona Pillow Cover is crafted with highland sheep wool and features a shaggy accent for interesting texture. Fits a 20”x20” pillow insert. Insert is sold separately. Please see pictures for exact pillow cover measurements. What size insert should you get for your pillow covers? For a full and plump look, choose an insert 2" larger than the size of the pillow cover. Thanks for looking!