For the perfect bunk bed mattress for your kids, the Silentnight Healthy Growth Eco Memory Bunk Mattress. Its 16cm depth makes it perfect as it sits well below the top of the guard rail so that your little one stays safely in their bunk all night long. With its medium-firm feel and open coil springs it will offer your kid the amazing support they need for a healthy night’s rest. Its EcoMemory Fibres™ are brilliantly cooling, and it’s completed with a soft knit cover with orange borders. Available at Mattress Online.