PE Composite Coverall All the sewing parts to be heatsealed by tape,liquid,acid and alkali-resistant,strong strengths. PE Composite CoverallMaterial:PPSB coated withPE film Characteristic:All the sewing parts to be heatsealed by tape ,liquid,acid and and alkali-resistant,strong strengths,high level of hydrostatic.Size:S,M,L,ML,XXL.Color: White,Gray,Green,Blue,etc.