With layers of blended British wool and viscose, lustrous cashmere wool, luxurious silk, Yorkshire wool, sumptuous mohair, crisp cooling Egyptian cotton, home-grown flax and sustainable Ecotex. The Peony has 15000 innovative springs. With an in-house woven FR chemical free mattress cover and four rows of hand side stitching, this mattress is turn free for your convenience. Available as a 3', 4'6", 5" & 6" with a choice of mattress tension: Gentle, Medium or Firm.