Store sizes in columns. The end of a bundle is not the size. This page stays with crash lock boxes, next to Royal Mail small parcel boxes.
Packaging Boxes keeps Crash lock boxes apart from a tape-closed cube. The category describes the board as 150K/T, recyclable and biodegradable, and sized towards Royal Mail small parcel guidelines. It lists six sizes.
What this collects
A crash lock box opens into shape and has a peel-and-seal strip.
Royal Mail small parcel boxes is the neighbour on this list. These are the boxes aimed at the Royal Mail small parcel limit. It is still a different range from crash lock boxes.
Before the order goes in
Pick from the six sizes. If none is close, use single wall rather than a crash lock that is mostly air.
A Friday order on Packaging Boxes that includes Crash lock boxes aims for Monday. A bank holiday on Friday or Monday moves that delivery. The 3pm cutoff is still the same-day dispatch rule.