Full. Product Details. The iconic bowling ball commercial shows not all spring mattresses are the same when it comes to motion transfer. Box Spring… The Beautyrest® Black and Hybrid … Dimensions. The Beautyrest Black Box Spring is designed to build an even better sleep experience with your new Beautyrest Black mattress. 49 Read History. The Beautyrest Black features state-of-the-art Recharge® technology designed for an optimal sleeping experience. Beautyrest Harmony Lux Carbon. Comfort is a preference. We’ve upgraded the experience, too. Unlike many other mattresses on the market today, the Beautyrest Black … Beautyrest Black. Perfect blend of support and comfort for the ultimate choice in luxury. Beautyrest … Beautyrest Black Hybrid. Constructed from heavy-gauge steel and wood for exceptionally high … L: 75 x W: 54 x H: 5. Base Type. The box spring features a low profile to reduce the overall height of your mattress, making it easier to get in and out of bed. Add sturdy, stable support to your mattress with this 5" Beautyrest® Black full box spring. About the Simmons Beautyrest Black Mattresses. Innovative design for a premium sleep experience. Now you can make it yours. Mattress Size. Simmons Beautyrest ComforPedic from Beautyrest Choose Your Comfort 14-inch NRGel Memory Foam Mattress - White Plush Queen 5.0 out of 5 stars 2 $745.49 $ 745 .