The thickness is from10mm to 50mm. And the unit price per ton is same with different thicknesses.  

Name	Specification	Unit Weight KG/Piece
Reinforced Wood Plastic Sheet	1m*2m*10mm	35KG
Reinforced Wood Plastic Sheet	1m*2m*15mm	53KG
Reinforced Wood Plastic Sheet	1m*2m*20mm	70KG

reinforced wood plastic sheet