| 01 | Berkshire leather | Pigskin | 2 | |
| 02 | Calfskin | | 2 | |
| 03 | French Morocco | Calf split or sheep split | 2 | |
| 04 | Morocco | Goatskin | 2 | |
| 05 | Bonded buffalo grain | | 2 | |
| 06 | Bonded calf grain | | 2 | |
| 07 | Bonded Cordova | | 2 | |
| 08 | Bonded eelskin | | 2 | |
| 09 | Bonded Ostraleg | | 2 | |
| 10 | Bonded ostrich | | 2 | |
| 11 | Bonded reptile grain | | 2 | |
| 12 | Bonded leather | | 2 | |
| 13 | Cowhide | | 2 | |
| 14 | Eelskin | | 2 | |
| 15 | Kivar | | 2 | |
| 16 | Leatherflex | An imitation leather binding material | 2 | 17 |
| 17 | Moleskin | | 2 | |
| 18 | Softhide leather | | 2 | |
| 19 | Metal | | 2 | |
| 20 | Velvet | (de: ‘Samt’) | 6 | |
| 21 | Mother-of-pearl | (es: ‘nácar’) | 6 | |
| 22 | Papyrus | | 6 | |
| 23 | Géltex / Wibalin | Proprietary imitation cloth binding material, cellulose-based, usually embossed / textured | 6 | 51 |
| 24 | Guaflex / Skivertex | Proprietary imitation leather binding material, cellulose-based, usually embossed / textured | 6 | 51 |
| 25 | Imitation leather | An imitation made of any non-leather material | 28 | |
| 26 | Pigskin | | 28 | |
| 27 | Goatskin | | 28 | |