The Silentnight Eco Comfort Breathe 2000 Pocket Mattress includes highly breathable, soft and cosy fillings which are derived from 150 recycled plastic bottles! This delightful comfort layer is paired with 2000 responsive pocket springs which are zoned to provide targeted support to every inch of your body. Sustainable and supremely supportive, the Coolmax&trade knitted cover easily allows heat and moisture to escape the mattress for a better, fresher sleeping experience. With a generous 5 Year Guarantee and Free Next Day Delivery, don't wait any longer to upgrade your mattress and improve your sleep. With minimal impact on the environment, make the greener choice today!