Tower Wall Cardboard Stocker Black Cardboard Storage Can be tied up as is

Cardboard boxes that are difficult to store can be attached to the wall with plasterboard pins for slim storage. Approximately 10 cardboard boxes can be stored. Slim design with a depth of approximately 12.5 cm. You can tie the cardboard boxes while they are stored by passing a string through the spaces between them. The holder is tall, so even a small number of boxes are less likely to fall and are easy to tie. The included hooks can be used to hang strings or scissors for storage. Source: https://www.amazon.co.jp/