The Star Collection Bunk Bed Premier is the ideal mattress for bunk beds with a wooden slatted or metal mesh base. The bunk bed premier has a durable open coil spring system that offers superb support for growing children or for occational use by adults. The bunk bed premier mattress also has generous layers of filling with a luxury belgium damask cover to give that added comfort when needed. Full Features are:- Diamond deep quilted Hard wearing stitch-bond cover Open coil spring unit luxury Belgium damask cover Extra edge support Medium comfort