Avenco: Supportive and Relaxed: The bed net of the mattress full size adopts zoned pocketed wrapped springs, which will make the mattress hybrid more durable and supportive.Quiet and Cooling: The coils of the mattress full size are all wrapped in a pocket independently. Safe and Skin-friendly: Avenco mattress full size is made with CertiPUR-US certified foam. Protective and Considerate: The thicker pocketed coils are used around the edge to strengthen the mattress full size, and the corner of the mattress hybrid is designed in a round shape.