These extravagantly soft pillow-cases are made from Tencel fibers, which are produced from the wood pulp of Eucalyptus trees, a renewable resource. The luxuriously smooth fiber structure from eco-friendly resources pampers your skin with balanced moisture management and temperature regulation qualities to keep you cool in the summer and warm in the winter. •100% Tencel Lyocell Pillow-Cases from Eucalyptus trees•300 thread count •Environmentally sustainable•Soft fibers, perfect for sensitive skin•Luxurious & breathable•Single-Ply Construction•Abripedic Brand •Tencel wicks moisture 50-Percent more effectively than cottonAvailable Sizes Include:•Standard Pillowcase Set includes Two Pillowcases 20" wide X 30" long each.•King Pillowcase Set Includes Two Pillow cases 20" wide X 40" long each.