Here is a quick comparison between our Wildlife, Earth and Pro Collections.

Wildlife  Earth Pro
Covering Material PU Vegan Certified Faux Leather PU Vegan Certified Faux Leather 
Textile made from renewable resources
Paper 100GSM Coated FP Friendly Paper 100GSM Coated FP Friendly Paper
160 GSM matte white paper developed for journaling, sketching, and drawing

Color

Bookmarks 1 2 2
Sizes A4+, A5+, A6+ Reporter, A6+ Portrait A5+ Only B5 Only
Ruling Dot Grid, Lined, Grid, Plain Dot Grid Only
Dot Grid, Plain, Lined
Perforated Pages
Last 16 pages
Numbered Pages
Index Pages
Key Pages
Future Log
Pen Holder
Back Pocket