Looking For Cheaper Postage Supplies, Visit the [parcel 2 go] website. As they are the courier service they offer you best prices with free P&P.
An example is 100 x DVD size jiffy envelops selling at ebay from £12-£15 + £8-£10 P&P, you can buy them from [parcel 2 go . co . uk] for only £14.09(including VAT & Delivery). You have to buy at least 500 on ebay to match this price.
[Offer] They are running an offer these days. You can send a £1 off coupon from the website to any one's email address (including yourself). When ordering your Jiffy Bags use the special code and the price will drop to £12.91 for 100 high quality jiffy bags.