The Zinus 8 inch Spring Sensation Hybrid Mattress, King is specially made to provide comfort and support at an amazing value. Its soft, breathable quilted cover and expertly layered foam create a cozy resting surface above durable innersprings that deliver sturdy, consistent support for years to come. Designed to hug your every curve, this mattress offers soothing relief for tired muscles and achy joints while promoting proper spinal alignment as you sleep. The CertiPUR-US® certified foam ensures top quality and safety, giving you peace of mind knowing that no harmful chemicals are detected in your mattress, and the included 10-year warranty lets you rest even easier. Age group: Adult, Universal.