SleepWarehouse Natural Latex Mattress Toppers 3" Medium with Bamboo Cover (King 3") 100% Certified Natural Dunlop Latex Topper - No Synthetic Fillers. Medium 5.2 lb density 28-30 ILD - Perfect for adding comfort and pressure relief, while retaining good support. ECO Institute and LGA Certificate third party testing confirms SleepWarehouse latex toppers provide high durability and resilience in a natural latex without fillers, synthetic rubber or hazardous particles. SleepWarehouse Natural Latex Mattress Toppers do not have strong noxious/chemical odors. Inherently Anti-Microbial and Hypoallergenic. Topper perforations for additional air flow and comfort. Toppers cut to full industry sizing- Twin 38x75, Twin XL 38x80, Full 53x75, Queen 60x80, King 76x80, Cal King 72x84. Toppers are cut to order, so your topper has not been sitting in inventory compressed for weeks/months.