An ultra heavy duty version of the standard garbage bag, used for yard bins 50-65 Litre capacity. These are  nearly twice as thick as the standard heavy duty garbage bags at 40 microns thick. 200 per box, these come in 4 Packs of 50 inside, they are used where you use alot of heavy rubbish, such as food scraps, lots of glass bottles. Ideal if you are currently having trouble with bags splitting if they have too much weight in them.