Mattress Puf Mattress PU Foam layer + Airmesh fabric for breathability GENX 1.0 Mattress High Resiliance Layer For Comfort + Pu Foam Layer For Support GENX 2.0 Mattress High Resilience Core Optimal Support And Comfort + Reversible Mattress REVITAL 2.0 Mattress Medium Firm PU foam for comfort+ Hard PU foam for support UTSAV Mattress