Crystli 12" Hybrid Twin Mattress Memory Foam Mattress with Wrapped Innersprings Medium Firm Bed-in-a-Box CertiPUR-US Certified Twin Mattresses

Quiet individual pocket spring:Each spring is installed in a non-woven sleeve and operates independently without interfering with each other,Two people sleeping in the same bed seem to be in different quiet worlds Innerspring and ventilated memory foam increase airflow, regulate to your body temperature Combination of 3-zone independent pocketed coils and memory foam Breathable and skin-friendly knitted cover Low motion transfer for a peaceful night sleep;excellent edge support, relieves your back pain