Using your new bunk bed is easy. First, make sure to fully assemble it as per the instructions. For the top bed, use a 6 - inch height mattress for the best fit. Remember, the top bed is only for kids over six years old and can hold up to 175Lbs, while the bottom can support 350Lbs. You can use it as a stacked bed or separate it into two beds according to your needs. When it comes to safety, always ensure the guard - rail is in place when someone is using the top bed. For maintenance, simply wipe the metal frame with a clean, dry cloth regularly. Avoid using abrasive cleaners that could damage the hand - brushed dark bronze finish. This bunk bed is for residential use only, so don't use it in a commercial setting.