ADVWIN – Give your family a peaceful and comfortable sleep. Bonnell Memory Foam Layer Spring Mattress is attentively constructed with several layers of premium materials. With a soft quilting layer rests on top of the entire ensemble, you will get a solid mattress that retain its shape well for continuous use. Supple and comfortable to enjoy all its inherent benefits for you. Just order it with your confidence! Features: Soft quilting top layer makes you comfortable. Premium durable polyester fabric High density fiber foam is difficult to deform with a rapid rebound. Quilting foam makes it more soft. Stable Bonnell spring core is safe and durable. Medium-firm firmness & Hypo-allergenic material Excellent support and pressure redistribution design Dust mite & mould resistant Great ventilation for drying 5 sizes available – single, kingsingle, double, queen & king Specifications: Color: White\Grey Dimensions: Queen:153×204×16cm Material:knitted fabric+foam+steel Thickness: 16cm Firmness: 5.0/ Medium Firm Wire thickness: 2.3mm