red paving bricks 1.never fade 2.No radiation,dust, pollution 3.ecological environment protection 4.elegant Landscape brick ten advantages: 1. ... Material: Purple Sand Clay2. Size: 220x110x40mm3. Function: Anti-freezing,Acid Resistance Bricks,Firebricks4. Colors: Red,Grey ... ,and etc.5.thickness: 30mm,40mm,50mm,60mmApplication: paving bricks, fire brick