Silentnight Airmax 5cm Mattress Topper - Kingsize

Refresh your mattress and enjoy breathable, allergen-free comfort with this mattress topper that's designed to keep you cosy all year round. It's deeply filled with hollowfibre and features air mesh sides that let air move freely between the layers, so you'll stay comfortable in every season without overheating. The dual construction helps to protect against bacteria and dust mites, which makes it a great choice if you're prone to allergies. It fits king size beds and adds a soft, supportive layer that helps extend the life of your mattress while providing 5cm of extra cushioning. The elasticated corner straps secure it firmly to your mattress without shifting overnight. It's machine washable at 40C and tumble dryer safe, so maintenance is simple and convenient. The durable fabric keeps its shape beautifully and stays plump after use, while the anti-allergy treatment helps keep allergens at bay. Whether you're improving your own sleep space or updating a g