EXTRA STRONG— Our metal bunk bed has been designed to be extra strong and durable. The bunk bed has extra supports and beams to make sure that the item is strong. It is perfect for sleepovers and guests. SAFETY— We have talked to our customers and understand the importance of safety. The top bunk bed has a safety rail on all sides preventing falls from the top level. We have even made the steps to the top level closer together allowing for easy access. ASSEMBLE— We have designed the bunk to be easily assembled, all screws and bolts are included as well as detailed instructions. The bunk bed has a silver powder coating which is environmentally safe and safe for children. 2x Pocket & Memory Foam Mattress Highest comfort premium hybrid mattress - Thick 16cm up to 660 independant pocket springs mould to the body. High density foam +memory foam 2cm quilted top layer. Medium Firm- British Standard Certified. Breathable hypoallergenic cool touch cover. Anti dust + Anti mite