The Symbol Copper Mattress has a natural cotton barrier and is naturally antimicrobial. The cover is married to a PRISM white foundation and provides the ultimate support with it's system of 840 individually wrapped foam encased coils. And its air flow and comfort quilt layers work together to help keep your body nice and cool while you sleep. The quilt fill has a natural cotton FR fiber barrier/1” Cool GEL Quilt. 3/8 inch Comfort Quilt and 1 inch support core. This mattress is available in odd sizes (upcharges apply); please call the store at 1-800-520-BEDS (2337) during business hours for more information. The Symbol Copper Mattress is made in the USA, has a 5 year warranty and is adjustable base compatible.