About this item ? EXPERT CRAFTSMANSHIP AND DESIGN: Made in the USA using long staple, single ply 100% premium cotton percale A Percale weave has a crisp, cool feel with a matte finish. Just like your favorite crisp white shirt, percale sheets are a bedroom must-have.?PERFECT FIT EVERY TIME GUARANTEED: Deep Pocket fits mattresses up to 16; with fully elasticated fitted sheet! Cal King size 4pc Set – Flat Sheet 108?? x 102??, Fitted Sheet 78?? x 80??, 2 Pillowcases 20?? x 40??, Hypoallergenic, Dust Mite free, Environmentally friendly!?? COOLEST SHEETS ON THE MARKET: Percale is a plain-weave fabric, meaning that the warp and the weft threads cross over and under each other one at a time. Typically it breathes and has a lighter, airier feeling. The reality is that when you think luxury 5-star hotel sheets, think Pillow Guy Cool & Crisp Bedding.? CERTIFIED TO THE OKEO-TEX 100 STANDARD: Oeko-Tex Standard 100 certification ensures the fabric has been tested and certified to be free from harmful levels of more than 100 substances known to be harmful to human health.? 30-DAY SLEEP GUARANTEE – FREE U.S. SHIPPING + RETURNS: We guarantee you??ll love our pillow and if you aren??t absolutely satisfied, return it within 30 days for a refund, no questions asked. Free U.S. shipping + Returns on all orders. if you don??t snooze, we lose.