The Large Number Cards 1-1000 set is printed on heavy card stock with a coated surface to protect against dirt and stains.  The cards are 5 cm wide and 5, 10, 15 and 20 cm long.  The set comes in a wooden box with lid measuring 23 cm x 7.5 cm.

All Gonzagarredi products are approved by the Association Montessori Internationale (AMI).