An excellent introduction to the Natural Range with supportive open coil springs, sumptuous cotton, luxury white fibre and resilient foam. This is exclusively made in an M&S Plan - A approved factory in Great Britain.,Dimensions: Single (3ft): H190 x W90cm, Weight: 15kgnDouble (4ft 6in): H190 x W135cm, Weight: 22kgnKing size (5ft): H200 x W150cm, Weight: 26kgnSuper king size (6ft): H200 x W180cm, Weight: 31kg, Depth:22 cm, Depth In:8.6 in,Item details: Cotton, luxury white fibre, resilient foam, Fluted board, 4 handles and 8 silver vents,Your mattress does not need flipping, however it is important that you rotate your mattress once a week for the first 3 months, then every 3 months thereafter for even fillings distribution, regular rotation needed,Made in the UK,Anti-allergic, With layers of cotton and polyester which add a softness to the bouncy feel of the open coil springs,More information: Our delivery team will unpack and position in a room of your choice for free, Mattress Spring count:3ft- 192n4ft 6in- 288n5ft- 325n6ft- 400, Mattress Type:Open Spring, Mattress Handle:Yes, Filling type:Cotton