Flash Furniture Capri Comfortable Sleep 12" Medium Tight Top Hybrid Pocket Spring Bed Mattress, Twin

12" medium firm hybrid twin size mattress for adults and kids Compatible with trundle beds, platform beds, and adjustable bed frames Hybrid design combines conforming high-density foam and pocket spring coils Cradles your body in every position Reduces motion transfer Relieves pressure points for a full, undisturbed sleep CertiPUR-US Certified foam is free from harmful substances Mattress in a box ships compressed, rolled, and boxed Please allow 48 to 72 hours for your mattress to fully expand Full size mattress measures 54" W x 75" D x 12" H; no assembly required