Product details:

Featuring an 825-coil density system, this supportive mattress offers zoned comfort and pressure relief with a lumbar gel support band and Cool Twist® Gel Memory Foam that contours to your body with upgrades available with more cooling layers and support.
Brand:Serta
Collection:Perfect Sleeper
Mattress Type:Gel Mattresses, Innerspring Mattresses
Mattress Thickness:12 in
Material:Steel and Foam
Color:Light Blue
Assembled Product Weight:46.98 lb
Manufacturer:SertaSimmonsBedding
Manufacturer Part Number:500302221-1020
Model:500302221-1020
Assembled Product Dimensions (L x W x H):79.50 x 38.00 x 12.00 Inches