Document:

Exhibit 4.1

 

	NUMBER

U-	UNITS

SEE REVERSE FOR
CERTAIN DEFINITIONS

 

CUSIP [●]

 

CONYERS PARK III ACQUISITION CORP.

UNITS CONSISTING OF ONE SHARE OF CLASS A COMMON
STOCK AND ONE-FOURTH OF ONE WARRANT TO PURCHASE ONE SHARE OF CLASS A COMMON STOCK

 

THIS CERTIFIES THAT____________________
is the owner of ___________Units.

 

Each Unit (“Unit”)
consists of one (1) share of Class A common stock, par value $0.0001 per share (“Common Stock”), of Conyers
Park III Acquisition Corp., a Delaware corporation (the “Company”), and one-fifth (1/5) of one warrant (a “Warrant”).
Each whole Warrant entitles the holder to purchase one (1) share (subject to adjustment) of Common Stock for $11.50 per share (subject
to adjustment). Each Warrant will become exercisable thirty (30) days after the Company’s completion of a merger, capital stock
exchange, asset acquisition, stock purchase, reorganization or other similar business combination with one or more businesses (each a
“Business Combination”), and will expire unless exercised before 5:00 p.m., New York City Time, on the date
that is five (5) years after the date on which the Company completes its initial Business Combination, or earlier upon redemption or liquidation
(the “Expiration Date”). The Common Stock and Warrants comprising the Units represented by this certificate
are not transferable separately prior to                 , 2021, unless Deutsche Bank Securities Inc. and Goldman, Sachs & Co. elect to allow separate
trading earlier, subject to the Company’s filing of a Current Report on Form 8-K with the Securities and Exchange Commission containing
an audited balance sheet reflecting the Company’s receipt of the gross proceeds of the offering and issuing a press release announcing
when separate trading will begin. The terms of the Warrants are governed by a Warrant Agreement, dated as of                , 2021, between the Company
and Continental Stock Transfer & Trust Company, as Warrant Agent, and are subject to the terms and provisions contained therein, all
of which terms and provisions the holder of this certificate consents to by acceptance hereof. Copies of the Warrant Agreement are on
file at the office of the Warrant Agent at 1 State Street, 30th Floor, New York, New York 10004, and are available to any Warrant holder
on written request and without cost.

 

This certificate is not valid
unless countersigned by the Transfer Agent and Registrar of the Company.

 

This certificate shall be
governed by and construed in accordance with the internal laws of the State of New York.

 

Witness the facsimile signature
of its duly authorized officers.

 

	 	 	 
	Secretary	 	Chief Financial Officer

 

     

     

    

 

Conyers Park III Acquisition Corp.

 

The Company will furnish without
charge to each unitholder who so requests, a statement of the powers, designations, preferences and relative, participating, optional
or other special rights of each class of stock or series thereof of the Company and the qualifications, limitations, or restrictions of
such preferences and/or rights.

 

The following abbreviations,
when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to
applicable laws or regulations:

 

	TEN COM	   —  	as tenants in common	UNIF GIFT

                                                                                MIN ACT
	  —  	 	Custodian	 
	TEN ENT	—	as tenants by the entireties	 	 	(Cust)	 	(Minor)
	JT TEN	—	as joint tenants with right of survivorship and not as tenants in common	 	 	under Uniform Gifts to Minors Act
	 	 	 	 	 	(State)

Additional abbreviations may
also be used though not in the above list.

 

For valu received, ________________ hereby sells,
assigns and transfers unto

 

PLEASE INSERT SOCIAL SECURITY
OR OTHER IDENTIFYING NUMBER OF ASSIGNEE

 

(PLEASE PRINT OR TYPEWRITE
NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)

 

________________________________________Units
represented by the within Certificate, and does hereby irrevocably constitute and appoint__________________________Attorney to transfer
the said Units on the books of the within named Company with full power of substitution in the premises.

	Dated____________
	 	Notice: The signature to this assignment must correspond with the name as written upon the face of the certificate in every particular, without alteration or enlargement or any change whatever.

 

	Signature(s) Guaranteed:	 	 
	 	 	 
	THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15 (OR ANY SUCCESSOR RULE).

In each case, as more fully described in the Company’s
final prospectus dated          , 2021, the holder(s) of this certificate shall be entitled to receive a pro-rata portion of certain funds held
in the trust account established in connection with its initial public offering only in the event that (i) the Company redeems the shares
of Common Stock sold in its initial public offering and liquidates because it does not consummate an initial business combination by            ,
2021, (ii) the Company redeems the shares of Common Stock sold in its initial public offering in connection with a stockholder vote to
amend the Company’s amended and restated certificate of incorporation to modify the substance or timing of the Company’s obligation
to redeem 100% of the Common Stock if it does not consummate an initial business combination by          , 2021 or which adversely affects the
rights of holders of the Common Stock, or (iii) if the holder(s) seek(s) to redeem for cash his, her or its respective shares of Common
Stock in connection with a tender offer (or proxy solicitation, solely in the event the Company seeks stockholder approval of the proposed
initial business combination) setting forth the details of a proposed initial business combination. In no other circumstances shall the
holder(s) have any right or interest of any kind in or to the trust account.Exhibit 4.2

 

	NUMBER C-	
 SHARES

                                                               SEE REVERSE FOR
 CERTAIN DEFINITIONS
 CUSIP [●]

 

CONYERS PARK III ACQUISITION CORP.

 

INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE

CLASS A COMMON STOCK

This Certifies that ___________________________is the owner of _______________

FULLY PAID AND NON-ASSESSABLE SHARES OF THE PAR VALUE OF $0.0001

EACH OF THE CLASS A COMMON STOCK OF

CONYERS PARK III ACQUISITION CORP.

(THE “CORPORATION”)

transferable on the books of the Corporation in person or by duly authorized attorney upon surrender of this certificate properly endorsed.

The Corporation will be forced to redeem all of
its shares of Class A common stock if it is unable to complete a business combination by            , 2021, all as more fully described in the Corporation’s
prospectus

dated            , 2021.

This certificate is not valid unless countersigned
by the Transfer Agent and registered by the Registrar.

Witness the seal of the Corporation and the facsimile
signatures of its duly authorized officers.

 

 

	Dated:	 	 

 

	Secretary	 	[Corporate Seal]	 	Chief Financial Officer
	 	 	Delaware	 	 

 

     

     

    

 

CONYERS PARK III ACQUISITION CORP.

 

The Corporation will furnish without charge to
each stockholder who so requests the powers, designations, preferences and relative, participating, optional or other special rights of
each class of stock or series thereof of the Corporation and the qualifications, limitations, or restrictions of such preferences and/or
rights. This certificate and the shares represented thereby are issued and shall be held subject to all the provisions of the Certificate
of Incorporation and all amendments thereto and resolutions of the Board of Directors providing for the issue of securities (copies of
which may be obtained from the secretary of the Corporation), to all of which the holder of this certificate by acceptance hereof assents.
The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written
out in full according to applicable laws or regulations:

 

	TEN COM	—	as tenants in common	UNIF GIFT 

MIN ACT	—	 	Custodian	 
	TEN ENT	—	as tenants by the entireties	 	 	(Cust)	 	(Minor)
	 	 	 	 	 	 	 	 
	JT TEN	—	as joint tenants with right of survivorship and not as tenants in common	 	 	under Uniform Gifts to Minors Act
	 	 	 	 	 	(State)

 

Additional abbreviations may also be used though
not in the above list.

 

    2 

     

    

 

 

	For value received, hereby sells, assigns and transfers unto	 

 

 

 

 

 

(PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING
NUMBER(S) OF ASSIGNEE(S))

 

 

 

 

(PLEASE PRINT OR TYPEWRITE NAME(S) AND ADDRESS(ES),
INCLUDING ZIP CODE, OF ASSIGNEE(S))

Shares of the capital stock represented by the within Certificate, and does hereby irrevocably constitute and appoint

Attorney to transfer the said stock on the books of the within named Corporation with full power of substitution in the premises.

 

	Dated:	 	 	 
	 	Shareholder
	 	 

 

 

NOTICE: THE SIGNATURE(S) TO THIS ASSIGNMENT MUST
CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE
WHATEVER.

 

	Signature(s) Guaranteed:

                                                                                 

                                                                                By
	 
	 	 

THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE
GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE
MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15 (OR ANY SUCCESSOR RULE).

 

    3 

     

    

 

In each case, as more fully described in the Corporation’s
final prospectus dated             , 2021, the holder(s) of this certificate shall be entitled to receive a pro-rata portion of certain funds held
in the trust account established in connection with the Corporation’s initial public offering only in the event that (i) the Corporation
redeems the shares of Class A common stock sold in its initial public offering and liquidates because it does not consummate an initial
business combination by            , 2021, (ii) the Corporation redeems the shares of Class A common stock sold in its initial public offering in
connection with a stockholder vote to amend the Corporation’s amended and restated certificate of incorporation to modify the substance
or timing of the Corporation’s obligation to redeem 100% of the Class A common stock if it does not consummate an initial business
combination by                , 2021, or or which adversely affects the rights of holders of the Class A common stock or (iii) if the holder(s) seek(s)
to redeem for cash his, her or its respective shares of Class A common stock in connection with a tender offer (or proxy solicitation,
solely in the event the Corporation seeks stockholder approval of the proposed initial business combination) setting forth the details
of a proposed initial business combination. In no other circumstances shall the holder(s) have any right or interest of any kind in or
to the trust account.

 

 

4

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