Exhibit 4.3



Amendment Agreement



This Amendment Agreement
is entered into as of this 9th day of February, 2016 (the “Amendment Date”), by and between Bar Ilan Research
and Development Company Ltd., having a place of business at Bar Ilan University, Ramat Gan, Israel (“BIRAD”) and Nano-Textile
Ltd. (Previously named: T.A.B. Anti Bacterial Textiles Ltd.), a company formed under the laws of Israel, having a place of business
at Ga'aton avenue 19, Nahariya, Israel (“Licensee”).



WHEREAS, the parties
are party to a certain License Agreement, dated 10 June, 2014 (the “License Agreement”); and



WHEREAS, the parties
wish to extend the dates for the achievement of the Development Milestones (as defined in the License Agreement); and



WHEREAS, the parties
have agreed to amend the License Agreement, all in accordance with the terms and conditions of this Amendment Agreement.



NOW, THEREFORE, the parties hereby agree
as follows:



| | 1. | The parties hereby agree to amend the License Agreement
as set forth below.
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| | 2. | Exhibit A of the License Agreement will be replaced in
its entirety by Exhibit A to this Amendment Agreement.
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| | 3. | All other terms and conditions of the License Agreement
shall remain unchanged and in full force and effect.
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IN WITNESS WHEREOF, the parties
have caused this Amendment to be executed by their duly authorized representatives as of the date first written above.



|Bar Ilan Research and Development Company Ltd.
        
        
        By: /s/ Orli Tori
        
        Name: Orli Tori
        
        Title: CEO |  | Nano-Textile Ltd.
        
        
        
        By: /s/ Joshua Herchcovici
        
        Name: Joshua Herchcovici
        
        
        
        Title: Chairman
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Exhibit A



DEVELOPMENT PLAN





| | 1. | Development of Roll To Roll machine of industrial scale
                                                                                This milestone will be completed within thirty-six (36) months of the Effective Date.
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| | 2. | Pilot production and troubleshooting
                                                                                This milestone will be completed within forty two (42) months of Effective Date.
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| | 3. | First serial production & distributing to a selected number of medical
                                                                                institutions for performance and assessment.
                                                                                This milestone will be completed within forty-eight (48) months of Effective Date.
| | -- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 4. | Regulatory approval of Licensed Product
                                                                                This milestone will be completed within fifty-four (54) months of Effective Date.
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| | 5. | Serial production on industrial scale
                                                                                This milestone will be completed within sixty (60) months of Effective Date.
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