The Jay-BeBenchmark S5 mattress features innovative sustainable sleep technologies. Its deep e-Spring core is topped with Micro e-Pocket springs for adaptable posture support throughout the night. These springs are cushioned with a deep supportive layer of Rebound e-Fibre and super soft Advance e-Fibre. Made in the UK and designed with the environment in mind, this mattresses Micro e-Pocket Springs, are one of the most advanced pocket spring technologies available today; sonic welded fabric pockets remove the need for glue, making them easier to recycle at end of life. All Benchmark mattresses are 100 foam free and feature Eco award winning Advance e-Fibre. This super soft Advance e-Fibre not only helps improve moisture and temperature regulation, but is also proven to offer significant environmental benefits* including: 90 Less CO2 emissions 99 Less water used 99 Reduced land use *Statistics are based on the life cycle analysis of Advance e-Fibre when compared to cotton. Results verified by an independent body. The e-Fibre comfort layers used in these mattresses are made from 100 recyclable plastic bottles, diverting over 70 million from going into landfill or our oceans and by choosing this mattress you are helping to prevent even more Vacuum packed and rolled to maintain freshness and reduce carbon emissions during transportation. All Jay-BeBenchmark mattresses are backed by a five-year manufacturer39;s guarantee.