For extruted ground mats ,the size are as follows" 2000X1000X12.7MM 3000X1500X12.7MM . 2440X1220X12.7MM 2440X610X12.7MM . 4000X2000X12.7MM 2900X1100X12.7MM . Thickness can be 12.7mm,15mm,18mm,19mm,20mm,25mm . Other customer size is also available . The Min loading weight is 60 tons