The Sealy ActivSleep Geltex pocket 2800 Eurotop mattress has been handmade in the UK. It gives extra comfort with it\'s 1400 pocket springs along with 1400 mini pocket springs. The layer of Geltex, an elastic type gel with air-permeable foam, helps give a good night\'s sleep. It has also been Allergy UK-approved and contains smart fibres with Purotex.The depth of the mattress is 37cm, which offers a soft comfort rating. The barrel-shaped pre-tensioned springs compress to provide great resilience, shaping to the body of the sleeper. Each spring has its own freedom of movement and is encased individually in fabric, offering good support and eliminating any noise.The Allergy UK\'s Seal of Approvement has been given to Sealy\'s range of \"smart fibres\" making the ActivSleep Geltex Eurotop mattress ideal for sufferers of dust allergies for instance. Materials used to respond to temperature and moisture levels.