Artemisia 8" Memory Foam Mattress WhiteMade of memory foam and supportive high density base foam, our 6 inch mattresses deliver optimal comfort to maintain proper sleep posture while offering targeted support to keep the spine in its natural position. Works well with different types of bed bases, including adjustable bases and box springs. Specifications Product Details Collection Artemisia Product Type 8" Twin Extra Long Memory Foam Mattress Style Contemporary Material Metal Color Finish