The Jay-Be Benchmark S1 mattress has a deep e-Spring core topped with a supportive comfort layer of Rebound e-Fibre providing contour support and a super soft Advance e-Fibre layer for improved moisture and temperature regulation. Made in the UK and designed with the environment in mind, all Jay-Be mattresses are 100 percent foam free and feature award-winning sustainable sleep technology; reducing land use, water consumption and CO2 emissions to help protect the future of our planet. Eco friendly e-Fibre comfort layers. 100 percent foam free, free from harmful chemical emissions. Breathable comfort layers to reduce moisture. At Argos Home we want you to get the best night's sleep possible, so we offer a 100 night comfort promise on our mattresses. Try your new mattress for up to 100 nights and if you aren't sleeping soundly, we'll offer you an exchange for one that suits you better. Part of the Benchmark Comfort Essential collection. Medium firm feel. Open coil mattress with 192 springs. Knit cover with quilted finish. No roll together. Anti allergy. Mattress size W90, L190, D19cm. No-turn mattress. Made in the UK. Package Dimensions:Package 1 dimensions: H320, W320, D1000cm. Package 1 weight: 16.95kg. General information:Manufacturer's 5 year guarantee. EAN: 5016253004554.