DOR-DROPZ.COM Through Your letterbox - On the internet. Dor-Dropz is delivered to 20,000 local households. It is a cooperative leaflet printed in Full colour on high quality gloss art paper. Opportunities are available to advertise you business through 20,000 households from on £99 per month. In addition you advert will appear on the Dor-Dropz website with a click through to your own website or a special page on the Dor-Dropz website. Dor-Dropz - Through Your letterbox, Dor Dropz - On The Internet.