Engineered specifically for growing children, the Silentnight Healthy Growth Imagine 600 Pocket Kids Mattress delivers responsive support through 600 individual pocket springs. Each spring works independently to contour to your child's developing body, promoting proper spinal alignment throughout the night. The hypoallergenic fillings create a healthier sleep environment, whilst the durable construction withstands years of active use. Designed with comfort and wellness in mind, this single mattress provides the foundation for restorative sleep during crucial growth years.