In Ashburton, Methven, Rakaia, Hinds, Mount Somers and Mayfield Council uses an official pre-paid, black bag system. These bags are sold in rolls of five, at $6.30/roll (inclusive GST). Recycling in Ashburton, Methven, Hinds, Mount Somers and Mayfield is carried out using an official green recycling bin. This is rates funded. Rakaia uses a three bag system. The black bag is for rubbish and there is also a blue (dry bag) and green (wet bag) collection. The blue and green bags are also sold in rolls of five at a cost of $2.30 per roll.