7dayshop are currently running a "FREE POSTAGE" offer on all products where postage "is applicable", meaning this excludes any delivery inclusive deals.
Offer also does not apply to any items that are shipped via courier (these fall into "restricted shipping category")
Over 650 products in the clearance sale to choose from, another 2000+ products meeting the criteria for "free postage", the rules are simple;
Add one product from the sale
Add any other product that is not part of the restrictions to qualify!