FoamRush's Certified Premium quality High Density Firm Foam. It's hypoallergenic and highly resistant to molds, mildews and dust mites. Unlike other low-cost foam products, we do not cut corners and only use Premium Quality which are sold in high end therapeutic mattress stores to promote better sleep, healthy joint and long lasting. Firm foam is designed for that firm feeling for those who don't want to sink into their couch. Common applications include Standard size seats, chairs, cushions & benches, and mattresses. Typical life is 5 to 8 years. Return Policy: there is a 50% retocking on all returned items.