Brand new the Roll Up Air mattress is a supportive coil sprung mattress which provides even support and a great night's sleep. Offering great comfort and support the Air mattress uses a traditional open coil spring system, a series of interlinking coiled springs which are evenly set within a durable framed structure which offers excellent support. Sleep easy with a 10 year manufacturer's warranty, so achieve that good night's sleep that you deserve. Remove the inner plastic wrap and wait for the magic to happen. In 2 hours its good and in 24 hours its great!