StableSupport™ Foundation - Exceptional engineering creates a durable base for the mattress, in coordinating fabric. This foundation is designed to be used with all Sealy Conform mattresses. Made and designed in the USA. Mattresses and foundations within the same brand have been tested together to comply with consumer flammability standards. If you have any questions concerning which mattress, box spring, or adjustable base to purchase, see a Mattress associate at your local Sears store.