Sleep Innovations Essentials 8" Memory Foam Mattress: * 2" memory foam top with 6" base of foam offer maximum support * Promotes proper spinal alignment for ideal sleeping posture * Twin: 39"W x 75"D x 8"H * Full: 54"W x 75"D x 8"H * Queen: 60"W x 80"D x 8"H * King: 76"W x 80"D x 8"H * California King: 72"W x 84"D x 8"H * 20-year warranty