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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 mLLEA7Ftut9dFzfFA00KgA==

<SEC-DOCUMENT>0000935836-09-001420.txt : 20091124
<SEC-HEADER>0000935836-09-001420.hdr.sgml : 20091124
<ACCEPTANCE-DATETIME>20091124145714
ACCESSION NUMBER:		0000935836-09-001420
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090325
FILED AS OF DATE:		20091124
DATE AS OF CHANGE:		20091124

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LAWNDALE CAPITAL MANAGEMENT LLC
		CENTRAL INDEX KEY:			0001267432
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22810
		FILM NUMBER:		091204601

	MAIL ADDRESS:	
		STREET 1:		591 REDWOOD HIGHWAY
		CITY:			MILL VALLEY
		STATE:			CA
		ZIP:			94941

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MACE SECURITY INTERNATIONAL INC
		CENTRAL INDEX KEY:			0000912607
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL ORGANIC CHEMICALS [2860]
		IRS NUMBER:				030311630
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1000 CROWFORD PLACE
		STREET 2:		SUITE 400
		CITY:			MOUNT LAUREL
		STATE:			NJ
		ZIP:			08054
		BUSINESS PHONE:		8567782300

	MAIL ADDRESS:	
		STREET 1:		160 BENMONT AVE
		CITY:			BENNINGTON
		STATE:			VT
		ZIP:			05201

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SHAPIRO ANDREW E
		CENTRAL INDEX KEY:			0001230344

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22810
		FILM NUMBER:		091204600

	MAIL ADDRESS:	
		STREET 1:		2355 S ARLINGTON HEIGHTS RD STE 400
		CITY:			ARLLINGTON HEIGHTS
		STATE:			IL
		ZIP:			60005
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2009-03-25</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000912607</issuerCik>
        <issuerName>MACE SECURITY INTERNATIONAL INC</issuerName>
        <issuerTradingSymbol>MACE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001267432</rptOwnerCik>
            <rptOwnerName>LAWNDALE CAPITAL MANAGEMENT LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>591 REDWOOD HIGHWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MILL VALLEY</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94941</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001230344</rptOwnerCik>
            <rptOwnerName>SHAPIRO ANDREW E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>591 REDWOOD HIGHWAY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 2345</rptOwnerStreet2>
            <rptOwnerCity>MILL VALLEY</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94941</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1638382</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes 1, 2 and 3</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">As General Partner of and Investment Adviser to Limited Partnerships and as Manager of the General Partner and Investment Adviser.</footnote>
        <footnote id="F2">The reporting persons disclaim membership in a group with any other person within the meaning of Rule 13d-5(b)(i) and Rule 16a-1(a)(1) under the Exchange Act.</footnote>
        <footnote id="F3">These securities are owned by investment limited partnerships, of which Lawndale Capital Management, LLC (&quot;LCM&quot;) is the general partner and investment adviser.  Mr. Shapiro is the Manager of LCM.  Each reporting person has only a pro rata interest in the securities with respect to which indirect beneficial ownership is reported and disclaims beneficial ownership in such securities except to the extent of such reporting person's pecuniary interest.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Lawndale Capital Management, LLC by Andrew E. Shapiro, Manager</signatureName>
        <signatureDate>2009-11-24</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Andrew E. Shapiro</signatureName>
        <signatureDate>2009-11-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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