Features: 1) Normal sizes: a) 30 x 30cm, 40 x 40cm, 30 x 60cm b) According to clients' r Features:1) Normal sizes: a) 30 x 30cm, 40 x 40cm, 30 x 60cmb) According to clients' requirements2) Thickness: 1.0 - 1.5cm3) Finishes: natural cleft stylePacking:Wooden crates Flooring Slate (Charcoal Black)