If you are on the lookout for an ultra-firm mattress, look no further than the Giselle Bedding Tight Top Mattress. Our tight top mattress features a comfort layer with high density foam and innovative pocket spring system for maximum support. Inside, extra thick coils provide firm tensile strength for a natural body alignment that will especially benefit a back-sleeper. Covered in a plush Belgium knitted fabric that is soft on skin and highly effective in absorbing and dissipating body moisture, our tight top mattress guarantees ultra-firm better sleep all the time. Mattress available in all sizes.Features: Giselle Bedding - Rumba Series Ultra-firm support Belgium knitted fabric Independent pocket spring 6 working turns coil system Extra thick wire diameter High density foam Wear-proof linen fabric sides Side handles for positioning No-turn technology Designed to rest on any surface floor, slatted base and base foundation.