SRP LINEN 600-Thread-Count 100%Egyptian Cotton Cal King/California King (20 x 40 Inches) Super Soft Pillow Cases White Solid---By SRP Linen Egyptian Cotton Package contain 2 Pillow Cases California King Size 20 x 40 inches with open flap. 600 Thread Count Pillow Cases with single ply. Machine wash in Cold Water, Do Not Bleach, Tumble Dry Low If Needed, Wash Dark Colors separately. Anti shearing weave improves durability and avoids piling.  Colorfast, Eco friendly dyes. All the products are packed in a bag made up of the same cotton material(100% reusable and biodegradable). A small step taken by us to keep our earth clean and green.