Sierra SleepSierrasleep by Ashley Not your average kids' mattress, Ashley-Sleep's Ikidz Memory Foam mattress is custom made for sweet dreams. Offers a perfect combination of firm pressure-relieving comfort and dy ... morenamic support from the top down. Innovative elements include a eucalyptus-based ventilated top foam layer for temperature correction that wicks away moisture from the body and the mattress. Finish: White; Style: Traditional Classics; Upholstery (FR Grey Stratus 4.0 OZ) : 20% Polyester, 80% Rayon; Upholstery (White Green Dot) : 7% Modacrylic, 62% Polyester, 15% Silica, 16% Tencel Rayon. Specifications: Overall Product Dimensions: 53" W x 74" D x 6" H; Overall Product Weight: 52 lbs.