Silentnight Luxury Deep Sleep Ultimate Mattress Topper in Single, Small Double, Double, King and Super King sizes Enjoy a wonderfully restful slumber with the Deep Sleep Ultimate Mattress Topper from Silentnight. It’s an easy way to rejuvenate a tired mattress and give it a new lease of life, as the supersoft and springy hollowfibre filling adds an extra layer of comfort and support to your bed. Finished with elasticated corner straps for a secure fit over your existing mattress (up to a depth of 30 cm), you don’t need to worry about it slipping or shifting as you sleep. EXTRA DEEP: 5cm depth for cloud like comfort so you can experience a deeper sleep. ULTIMATE COMFORT: The quilted cover features internal walls to ensure the gently supportive filling stays in great shape and is always plump. REJUVENATES YOUR MATTRESS: Breathes new life into any mattress by adding an extra layer of comfort for you to sink into. EASY FIT STRAPS: The easy fit straps provide a secure fit. HYPOALLERGENIC: Kind to skin and does not include any contents likely to cause allergies. MACHINE WASHABLE: Fully machine washable so you can keep enjoying a deep sleep. QUALITY GUARANTEE: 2 year manufacturer’s guarantee.