The wine gift packs, mini beer hamper packs use an A4 sized label / sticker that can be printer on using a laser printer and then cut down to A5 size to fit into the lid of the medium black / red diecut box.
These labels are purchased from Stanley packaging, there are two types available - matte and glossy. Preference is for matte as the edges on the glossy can look a bit offwhite after it is printed (possible result of the heat from the laser printer affecting the gloss finish?)
Matte A4 labels
https://www.stanleypackaging.com.au/product/a4-white-matte-self-adhesive-sticker-paper-sheet-label/
Glossy A4 labels
https://www.stanleypackaging.com.au/product/a4-white-glossy-self-adhesive-label/
To date these have been printed by Claire at work as our laser printers do not print correctly and leave a yellow mark through the print. Each of the label files can be found in Google Drive. Once printed they need to be cut down to A5 size on the guillotine upstairs before they can be used.