Items are generally sent by Royal Mail, 1st or 2nd class as selected by the buyer. For larger quantities; 1,000 bags and over the items will be sent by courier (City Link) on a next business day service. When a courier is used there may be an extra charge for delivery to the Highlands & Islands etc. It is our policy to keep post and packing at a reasonable level and we will always try use the most cost-effective method possible. Our maximum postage to most of the UK is £5.95 regardless of how many bags you buy.