AUSTOR 14 PCS Mini Chalkboards Signs 4.7 X 6.3 Inch Hanging Message Board for Weddings 14pcs mini Chalkboards Fancy rectangular shape Ideal for weddings, kids crafts, gift tags or decorating, labeling, reminders and memos, as well as party favors or gifts Approximate Dimensions:4.7 inch (width) * 6.3 inch (length) The chalkboards are not recommended to use liquid chalk markers to write on; You had better use regular chalks to write on them