The Rest Assured Crystal 1000 no turn easy care mattress contains 1000 individual traditional pocket springs in the king size mattress which provide high levels of comfort & support. The quilted mattress contains generous layers of sumptuous quality fillings & has been specially designed to avoid the need to turn the mattress. This mattress has a medium firmness rating & is finished with 2 rows of side stitching & flag stitched handles & vents.