Sierra Sleep by Ashley M90711 Mattress, Twin, White PLUSH TWIN INNERSPRING MATTRESS: It's the comforting feel of a traditional mattress with luxurious details. This maintenance free (no flipping or rotating required) mattress is designed with a unique coil system and high density layers COIL SUPPORT: Six edge-coil support allows you to sit on the edge of the bed comfortably, making both night time slumber and morning wake up more enjoyable LAYERS OF COMFORT: High density quilt foam layers provide an irresistibly soft feel from head to toe TWIN SIZE: Measures 38" W x 74" D x 9" H to fit twin size bed frame SET UP IN MINUTES: Just unpack and place your new mattress on top of foundation or spring box (sold separately). Warranty information included in packaging DIRECT FROM THE MANUFACTURER: Ashley Furniture goes the extra mile to package, protect and deliver your purchase in a timely manner BUY WITH CONFIDENCE: Designed and manufactured by Ashley Furniture Industries. The trusted source for stylish furniture, lighting, rugs, accessories and mattresses. For every taste and budget. Since 1945