Made of sturdy steel. the Japanese-designed Fireplace Coal BedL turns the Pack & CarryL Fireplace into a charcoal grill. The Coal Bed elevates coals. briquettes or wood for an even heat source when cooking. To use. insert the Coal Bed into the Pack& Carry Fireplace and place coals or briquettes on top. Pair the Fireplace Coal BedL with thePack& Carry L Fireplaceor theTakibi Fire& Grill.