"Get a better night's sleep without spending a fortune. This 20cm foam mattress is designed for real life – whether you're upgrading your main bedroom, furnishing a guest room, setting up a child's room, or kitting out a rental flat. Available in four practical sizes: Single, Small Double (4'), Double (4'6""), and King (5'). The Single size also a great fit for caravans, campervans, and sofa beds, giving you a comfortable sleep surface wherever you need it. It combines a soft gel memory foam top layer with a firm high-density foam base, offering the right balance of comfort and support. Breathable, hypoallergenic, and easy to set up, it's a simple upgrade for better rest. Rattrix Mattress Size: Single (3')"