On what types of mattresses is the Dreamzie bed frame suitable? For all classic mattresses, with or without spring. If you are in possession of a memory mattress, the combo with our bed frame will be perfect! On the other hand, if you have a water mattress, our bed frame will not suit. Can the mattress slide from the bed frame? No, the bed frame is designed to perfectly wrap the mattress on the 4 sides. The mattress cannot move and you can sleep peacefully. What is the maximum weight that the Dreamzie bed frame can withstand? With its solid structure and steel feet (6 for single beds and 9 for double beds), the bed frame can support a load up to 3300 LBS. Alone or with others, you are safe! How long does the bed frame take? Is it delivered with equipment, tools and instructions? Yes. Everything you need for the assembly is well wrapped and shipped in a single box. Count about twenty minutes to assemble the bed frame entirely, nothing could be simpler. What is free space under the bed? Thanks to its 12.6 in storage capacity, you can maximize your space and keep your bedroom properly stored.