100% Natural Dunlop Latex Mattress Topper - X-Extra Soft (Queen, 3 Inches) 100% Natural Dunlop latex topper - X-Extra Soft topper; 16-18 ILD. No synthetic fillers. Cover is not included with this item. This is an all natural latex topper, therefore, no synthetic latex is blended in and no chemical residues are left after the final cleansing is done. Natural latex has a firm and springy feeling to it. Enjoy a supportive yet comfortable sleep. Anti-Microbial and Hypoallergenic Natural latex topper Topper perforations for additional air flow and comfort.