<informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <infoTable>
       <nameOfIssuer>APTARGROUP INC</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>038336103</cusip>
       <value>4446</value>
       <shrsOrPrnAmt>
           <sshPrnamt>70000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>70000</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>CARTER INC</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>146229109</cusip>
       <value>12391</value>
       <shrsOrPrnAmt>
           <sshPrnamt>134000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>134000</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>CIRCOR INTL INC</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>17273K109</cusip>
       <value>4916</value>
       <shrsOrPrnAmt>
           <sshPrnamt>89864</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>89864</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>CTS CORP</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>126501105</cusip>
       <value>6386</value>
       <shrsOrPrnAmt>
           <sshPrnamt>355000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>355000</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>INTUIT</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>461202103</cusip>
       <value>8726</value>
       <shrsOrPrnAmt>
           <sshPrnamt>90000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>90000</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>MFC INDL LTD</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>55278T105</cusip>
       <value>4385</value>
       <shrsOrPrnAmt>
           <sshPrnamt>1080000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>1080000</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>POLYONE CORP</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>73179P106</cusip>
       <value>15500</value>
       <shrsOrPrnAmt>
           <sshPrnamt>415000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>415000</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>WEX INC</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>96208T104</cusip>
       <value>7300</value>
       <shrsOrPrnAmt>
           <sshPrnamt>68000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>68000</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
</informationTable>
