The Healthy Growth Imagine Miracoil Mattress by Silentnight is ideal option for the growing bodies and healthy minds of your little ones. They go through so many changes in these early years, a mattress that provides a great night’s sleep to support healthy development is key to your child’s mood, memory, physical growth and behaviour. Silentnight chemical treatement-free mattresses enables children to get the quality sleep they need for healthy physical and mental development. Featuring Eco Comfort Fibres, this environmentally friendly mattress allows natural airflow for a more invigorating and refreshing night's sleep. This firm comfort Healthy Growth mattress by Silentnight features a Miracoil support spring system that provides extra support in the areas you need it the most. This helps to align the spine and improve posture. Silentnight Healthy Growth mattresses are specially designed for toddlers to young teens to provide the perfect level of comfort. Features and Benefits Eco Comfort Fibres – This medium-firm sprung mattress features environmentally friendly comfort layers which allow natural airflow for a more invigorating and refreshing night's sleep.