The Healthy Growth Imagine 600 Pocket Mattress by Silentnight is great 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 treatment-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 medium comfort mattress from Healthy Growth range by Silentnight has single layer of 600 pocket springs that responds independently to weight and delivers individually tailored support. 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 that allow natural airflow for a more invigorating and refreshing night's sleep.