Check for pm webshop promo code exclusions. pm webshoppromo codes sometimes have exceptions on certain categories or brands.
These offers are usually only available for part of the day because they're considered exceptionally good, but lately pm webshop has been offering it all day long
Look for the blue "site-wide" label for site-wide pm webshop promo codes. Site-wide codes can be applied to any item on pm webshop website, and therefore are the most useful codes.