Beulah 1000 No-Turn MattressThe Beulah Clean, Honest Comfort From Nature Thoughtfully made and built for everyday luxury, the Beulah No Turn Wool Mattress is your natural entry into healthier, more breathable sleep. Its available in a regular tension which is suitable for most, and at around 24 cm deep, its powered by 1000 (based on a king size) pocket springs that gently adapt to your body, easing pressure points and helping to maintain natural spinal alignment the essentials