I got these a few years ago from TaoBao but never used them, some are still in plastic wrapper.

Free to pickup if your in Hawkes Bay, otherwise I ask $6 to cover shipping, anywhere in NZ. ($8 for rural)

4x A5 + 12x B5 books

Small books: 143 x 206 cm (close to A5 size)
B5 books: 180 x 252 cm (B5 size)

Small: 6949426700139 (A32K-182)
Big: 6970320102644 (QB/T438-2007)

More photos: https://imgur.com/a/ij6qgKM