... by fumingation Delivery Detail withine 30 days after L/C and deposite by T/T Culture stone1. Direct factory supply2. ... Weather resistance3. Water proof4. Easy to install5. Material: slate, sandstone, quartzite6. Color: black, grey, yellow, red, rusty, white ... /wooden crates, 32 wooden crates/container.Delivery: 7 days for one container after order confirme chinese slate cultural stone