Depth: 12 inches thick with wool, wadded, silk, foam and cashmere fillings. Comfortable: 3000-pocket springs to support your full body weight. Support: Firm support orthopedic mattress, approximately 25cm in depth. Mattress: Get a 3000 pocket spring pillow top mattress. Features: Hand-stitched border, turning handles, hypoallergenic, dust-mite resistant. Six sizes: Choose between small single, single, small double, double, king or super king. Design: Pillow top is sewn onto the sides of the mattress underneath to increase the durability