Bin Liners & Heavy Duty Refuse Sacks

Light duty (around 10 micron) suits paper and dry waste, medium (20–30 micron) covers general kitchen waste, and heavy duty (40 micron and above) is for wet, sharp or heavy waste.

If your food waste goes to anaerobic digestion or composting, yes — the liner must be certified compostable, or the load can be rejected.

Yes, they are sold in rolls and cartons with trade pricing, and most sites order a quarter's worth at a time because they take up little space.