Unique innerspring construction made with coiled of 13.5 gauge tempered steel for superior strength, long life, and comfort. Wraparound polyester fibre pad for softness and comfort. Durable cover and binding, protected with hypo-allergenic 100% vinyl cover that helps resist tears and stains. Bound with a durable sewn border tape for a firm closing. Proudly made in the USA. Meets or exceeds all flammability, lead, phthalate and CPSIA testing.