Roofing slate Available Size: 24â x12â , 20â x10â , 16â x12â , 16â x10â , 16â x8â , 12â x8â , or customer requirement. Available Color: Black , Rust Yellow , Green , Brown Thickness: 5-7 mm, 7-9 mm Finishing: Both Sides Natural Split , 2 Pre-drilled Holes Edge Side: Hand Chipped, Saw Cut Packaging: packed in cartons and outside in seaworthy wooden crate Price Condition: FOB Tianjin, CIF Delivery Time: 15 days after deposit Minimum Order: 100 square meters Supply Ability: 10000 square meters per month