The perfect blend of comfort and affordability, the Personal Preference EU combines the generous silky comfort of a European-style™ pillowtop and zoned foam topper pad with the revolutionary Sleep Number® air technology and Healthy Back's delightful low prices. - Rayon / Polypropylene Belgian Damask white mattress cover - 11” European-style™ Pillowtop - Whisper-Quiet Firmness Control™ System - Wood Foundation Features and Benefits: - European-style™ Pillowtop, white color, rayon / polypropylene blend Belgian Damask fabric. Fabric is treated with the Sanitized antimicrobial, antifungal and antibacterial. 2.25 ounces of fiberfill per square foot quilted in cover along with half-inch antimicrobial foam - 2.25-inch Zoned Foam Comfort Layer - 1-inch Foam Base Pad - Total mattress thickness: 11 inches - Whisper-quiet Firmness Control™ System. Firmness Control indicator arrows and a lighted digital display that indicates the Sleep Number®. - Sides of mattress and foundation fabric match for visual appeal - Corner Lock comes with a matching foundation, solidly designed with seven wood slats and two edge support beams Warranty information: - Select Comfort warrants that your mattress and/or foundation will be free from defects in materials and workmanship for a period of 20 years from the original purchase date. - Warranty is limited to product repair or replacement only.