When shopping for luxury linens, most people fixate on thread count—but that's not the whole story. As a family-owned Italian linen manufacturer with 90 years of expertise, CASTELLO 1935 knows the real secret: mercerization. This specialized process transforms cotton at a molecular level, creating stronger, more lustrous fibers. Our mercerized cotton offers a 250-wash cycle guarantee—2.5 times the industry standard. Discover why thread count misleads and what truly matters in

Premium hotel linens deliver superior ROI despite higher upfront costs. Industry analysis shows CASTELLO 1935's 250-wash guarantee linens save $23,500 yearly per 100 rooms vs standard options lasting 100-150 cycles. Luxury hospitality expert with 90-year heritage serving Four Seasons, Ritz Carlton reveals how quality investment reduces replacement costs, enhances guest experience, and supports hotel sustainability initiatives.