Made of premium stainless steel, abrasive resistance, scratch-resistant, not easy to be deformed or rusty for durable use. Tip: Be careful when opening the packaging for the first time.No screws needed, easy to assemble, removable grill and mess-free ash catcher for easy clean-up. 5 vent on both sides of this BBQ charcoal grill make the air flow well, thus charcoal burn efficiently and the food cooks faster