Chalk and Chuckles - International Magnificent Fathers This cheque book contains UOME (you owe me) and IOU (i owe you) cheques. IOU cheques are promises made by the expectant dad to the wife. UOME cheques are promises he asks from his wife. It also includes 3 blank cheques that can be personalised to add more adventure to the nine months Contents 15 IOUs 12 UOMEs 3 blank chequeAdditional Details� Dimension: 17.5 x 8.5 x 1 (cm) Weight: 132 gms