ESD-Safe: YesTile Series: Safe-Flex™Tile Style: Smooth Surface (Slight Texture) - Closed CellColor: BlackStatic Surface Resistivity: 3x10(6) - 3x10(7) ohms - Per ANSI/ESD S7.1 StandardsStatic Volume Resistivity: 3x10(6) - 3x10(7) ohms - Per ANSI/ESD S7.1 StandardsDimensions: 18" Wide x 18" Long x 1" High (At highest point)Composition: 100% Recycled PVCDurometer: Shore Hardness “A” 85 (+/- 5)Warranty: Lifetime warranty against manufacturer’s defects