110 Litres 140 Gauge The bin liner gauge is the thickness of the bag itself. Gauge is the measurement of thickness of standard low density plastic bags. It is related to the SI measurement of microns as 1 micron = 4 gauge. 10 Liners(Per Roll) Strong Recycled Refuse Black Bin Liner Sacks SKU: BP5 From £1.17 per roll (Exc VAT) (39 reviews)