This is an ULTRA CLEAR LOW IRON GLASS. Aquariums included:

1- 5mm thick 50cm x 32cm x 37cm (15.6 gallons)

1- 5mm thick 45cm x 28cm x 32cm (10.7 gallons)

1- 5mm thick 40cm x 25cm x 28cm (7.4 gallons)

1- 5mm thick 35cm x 22cm x 25cm (5 gallons)

1- 5mm thick 30cm x 19cm x 23cm (3.5 gallons)