Supima Cotton Fitted Sheet Quite simply the finest fitted bed sheets you can own. Made from certified Supima® long staple yarn, our 600 thread count fitted sheets are a joy to sleep on. What is Supima® cotton? Supima® cotton is much stronger than conventional cotton. The extra long staple cotton is woven into fully elasticated fitted sheets that is soft, luxurious and durable. Made from Supima® cotton, grown exclusively in America. Our Supima Cotton Bedding with an indulgent 600 thread count delivers a truly luxurious sleeping experience, combining exceptional softness with refined elegance. Crafted from premium Pima cotton grown in America, renowned for its extra-long fibres, this exquisite bed linen offers a beautifully smooth, silky feel and superior strength. The result is sumptuous, hotel-quality smart bedding that drapes gracefully over the bed, providing lasting comfort, breathability, and a sophisticated finish to any bedroom. Supremely Soft Yet Durable Certified 100% Supima Cotton Strong Extra-Long Staple Yarns From California USA Fully Elasticated Fitted Sheet Extra Deep 15" (38cm) Thick elastication all the way around Machine Washable at 40°C Low Tumble Dry Exclusively Made in Guimarães, Portugal