· Premium Quality: Enjoy the luxury of Lane Linens 450 thread count sateen sheets, made with 100% cotton for ultimate comfort and durability. Made with high-quality cotton, our split king sheets are built to withstand regular use and maintain their softness and durability even after multiple washes.· Perfect fit for adjustable beds: Designed specifically for split king adjustable beds, our 5 piece set includes 2 Twin XL fitted sheets 39"x 80" with 15" deep pocket, 1 Flat sheet 112"x 104" and 2 King pillowcases 20" x 40" ensuring a snug and secure fit.· Superior cooling and breathability: Enjoy a restful night's sleep with our cooling and breathable cotton sheets, providing optimal airflow and moisture-wicking properties for ultimate comfort.· Versatile and Convenient: Enjoy the versatility of our split king sheet set, which includes five pieces for a complete bedding solution. Experience the comfort of cotton with these sheets specially designed for sleep number beds.· Easy Care & Longevity: Enjoy hassle-free maintenance with our Lane Linen sheet set. Machine washable and fade-resistant, these sheets are built to last, maintaining their vibrant color and softness even after multiple washes.