Mattress Features of Dreampebble Classic PostureCare LatexHybrid natural latex with PostureCare Bonnell spring systemDurable Full Natural Latex layer topper for comfort enhancementUpholstered with Natural Tencel Yarn Fabric and anti-dustmite treatedStrong edge guard to prolong its mattress durabilityCan be used on both sidesVentilation enhanced with side ventilatorsFirmness: 6/10 - medium firmIdeal for bunk bed10-year limited warrantyAvailable size: 90x190cm x 6.5" est.107x190cm x 6.5" est.