Serta Perfect Sleeper 12-inch Trelleburg II Firm Innerspring Mattress Set

The Perfect Sleeper Elite Trelleburg II mattress features better pressure point relief, a supportive coil system, and a heat-regulating fabric cover with an additional layer of breathable, cooling gel memory foam.

Twin-size Dimensions

Mattress: 12 inches high x 39 inches wide x 75 inches long

Foundation: 5 or 9 inches high x 39 inches wide x 75 inches long

Overall Set: 17 or 21 inches high x 39 inches wide x 75 inches long

Twin XL-size Dimensions

Mattress: 12 inches high x 39 inches wide x 80 inches long

Foundation: 5 or 9 inches high x 39 inches wide x 80 inches long

Overall Set: 17 or 21 inches high x 39 inches wide x 80 inches long

Full-size Dimensions

Mattress: 12 inches high x 53 inches wide x 75 inches long

Foundation: 5 or 9 inches high x 53 inches wide x 75 inches long

Overall Set: 17 or 21 inches high x 53 inches wide x 75 inches long

Queen-size Dimensions

Mattress: 12 inches high x 60 inches wide x 80 inches long

Foundation: 5 or 9 inches high x 60 inches wide x 80 inches long

Overall Set: 17 or 21 inches high x 60 inches wide x 80 inches long

King-size Dimensions

Mattress: 12 inches high x 76 inches wide x 80 inches long

Foundation: 5 or 9 inches high x 76 inches wide x 80 inches long

Overall Set: 17 or 21 inches high x 76 inches wide x 80 inches long

California King-size Dimensions

Mattress: 12 inches high x 72 inches wide x 84 inches long

Foundation: 5 or 9 inches high x 72 inches wide x 84 inches long

Overall Set: 17 or 21 inches high x 72 inches wide x 84 inches long