200 night free trial: Not only does the Emma Hybrid mattress come with a 10 year manufacturer warranty but it also includes a 200 night free trial so you can ensure it's the perfect mattress for you. Pressure-relieving: Emma's Airgocell technology relieves pressure and reduces motion transfer to offer you exceptional comfort. Supportive: High Resiliency Extra provides counter pressure expertly designed to keep your spine evenly aligned, so you can enjoy maximum relief, rest and recovery! Breathable Airgocell Memory Foam: Emma's innovative open-pored layer enhances airflow and absorbs moisture to keep you cool and dry. Innovative steel micro-coils: Accompanied by a 2cm layer of steel pocket springs to provide advanced breathability and pressure relief. Temperature-regulating and washable top cover: Protect your Emma mattress with a moisture-resistant perfect-fit top cover that's easy to clean. Emma mattress: Get an Emma Hybrid mattress - just the thing you need for a restful night's sleep every night! Five Sizes: Single, small double, double, king or super king. Emma Hybrid Mattress | Single | Living Social