Magma Crossover Pizza Top The Magma Pizza Top is the perfect addition to your Crossover FireBox to allow you to create the perfect pizza on your boat. Constructed of marine grade polished stainless steel along with a cast aluminum base for a durable and long lasting that holds up in marine environments. The inner liner is curved to allow the heat to properly disperse to melt your cheese without burning the toppings. Quickly heating up to 700 the pizza top for a fresh pizza with crispy crust than