11 Inch Hybrid Gel Memory Foam Mattress in a Box, Individually Wrapped Pocket Coil Innerspring for Pressure Relief&Cooler Sleeping,CertiPUR US Certified 10 Year Support 尺寸:QUEEN Ultimate Motion Isolation: This 10 Ultimate Motion Isolation: This 10 12 inch Mattress is composed of high performance pocketed springs and high density foam the high density support foam at the bottom provides moderate firmness ENHANCED EDGE SUPPORT Our queen mattresses are individually wrapped innerspring with enhanced edge support combined with a base of Durable Support Foam provide lasting stability while reducing motion transfer Sizes may vary slightly after expansion