Inkpad size: 7.5 5cm/2.95 1.97in. Inkpad material: Water based ink. A1/A2/A3/A4/A5/A6:1 Inkpad. Stamp material: Plastic+Iron. Made of high quality iron + plastic, durable. Purpose: Multi purpose. Stamp Size: 11.5 8cm/4.53 3.15in.