Latex – Made from the rubber tree (eco-friendly); Reduces pain by taking pressure off pressure points; Improves blood circulation; Provides contouring support; Resists bacteria, mould, mildew and dust mites. 80% natural latex (from the rubber tree) and 20% synthetic latex blend. 1,440g medium core. Mildew Proof Hypo-Allergenic Dust Mite Resistant Naturally Anti-Microbial Exceptional Ventilation – Sleeps cool and dry. Removable Cover – Machine washable. Most Popular with Back and Front Sleepers Queen Size - 27.5" x 15.7" x 3.15" (70 x 40 x 8 cm) 2 Year Non Pro-Rated Warranty