The slides are manufactured using PLA (polylactic acid) filament, which is a polymer made up of lactic acid molecules, an organic acid of biological origin, which is obtained from renewable resources.
All models have the same  width and length (25x76 mm) but  varying in height.
Available models and their heights:
4p hollow blade, height 3mm with 4 wells;
8p hollowed blade, height 3mm with 8 wells;
10p hollowed blade, height 3mm with 10 wells;
10pf hollowed blade, 5mm height with 10 deep wells;
12p hollow blade, height 3mm with 12 wells;
30p hollowed blade, height 3mm with 30 wells;
30pf hollowed blade, 5mm height with 30 deep wells;
8R hollow blade, height 3mm with 8 rectangular wells;