When replacing parts, never "DIY" a solution for structural elements. Only use mattresses specifically designed for your model to avoid gaps that could pose a suffocation risk. If the locking mechanism on the side rails or the center hub is broken and a direct replacement isn't offered, the entire unit should likely be retired for safety.

: The mesh or plastic cubbies that clip to the side of the frame.

: If your original bag has a broken zipper or holes from travel, official nylon replacement bags are available to keep the unit portable and protected.