Features: Open once only: Blank piggy bank for kids that can only be opened once, you can set the date with family members to open, and no one can secretly take it out before it is full. Multi purposes: After completing the saving task, the piggy bank and marker set can also be applied as a pen holder to decorate the desktop, and can also be applied as a storage jar to store small things. Specifications: Material: Money coin piggy bank: cardboard with metal lid Paint marker: acrylic Color: Money coin piggy bank: white Paint marker: colorful Size: 4.72 inches in height, 3.35 inches of the upper and bottom diameter Package includes: 8 x Money coin piggy banks 24 x Acrylic paint markers Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Be careful of sharp edges when opening.