Ptil Tekhelet provides genuine Tekhelet strings so Jews can once again fulfill the mitzvah of wearing Tekhelet on their Tzitzit.
About 1300 years ago, the secrets of Tekhelet, this wondrous blue color and the identity of the mysterious sea creature – the Chillazon – that produced the dye was lost. Over the past half-century, a convergence of research and discoveries by Rabbis, scientists, archaeologists, and others has led to the conclusive identification of the sea-snail, Murex trunculus, as the authentic source of Tekhelet.
Tekhelet Overview
Find out more about the mitzvah of Tekhelet and its meaning, how Tekhelet is made and the history of its loss and rediscovery in our time
Buy Tekhelet Now
Ordering Tekhelet is simple with our online store. A large selection of pre-tied garments, strings, books and educational material
Tying Resources
Get answers as how to choose from the different string types and tying methods, what size Tallit or Tzitzit is best for you and more
Library
Browse or search our online library featuring hundreds of articles and audio or video lectures and shiurim on all topics related to Tekhelet
New and Noteworthy
Daf Yomi – Perek HaTekhelet (Menachot 38a)
Out Of The Blue
Out of the Blue | From the Depth of the Sea to the National Flag
Hechsher – Rabbinic Certification
Ptil Tekhelet’s production is now certified Badatz Mehadrin
under the authority of Harav Avraham Rubin of Rechovot, Israel
Click Here to see the certification and its translation
Tekhelet Factory Tour
Book Your Tekhelet Factory Tour!
Torah, Jewish History, Chemistry and Biology come alive as you learn about the ancient world’s most valuable color.
Be sure to book in advance to ensure your place!
Click Here for more information.
Techeiles - It's Not All Black and White
For a limited time, this video is now available to watch for free
To Date, More Than
Sets of Tekhelet Produced
City Cloud of Tekhelet Wearers in Israel
Distribution of people wearing Tekhelet
Authorized Dealers and Tying Bureau
Find a store near you that sells Ptil Tekhelet strings. Get help from someone local who can tie the strings onto tallit or tzitzit.
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How is Tekhelet Made
Watch a short video showing the process of making Tekhelet from shearing of the sheep, the collection of the snails, extracting the dye glands and dyeing the wool, through the spinning and plying of the wool into strings to be tied onto tallit.
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Tekhelet in Your Community
Ptil Tekhelet runs workshops for schools, lectures, Scholars in Residence, Virtual lecture, and a host of other programs. Bring these fascinating programs to your community.
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Tekhelet in Your Life
From the first set of tzitzit a child puts on, through Bar Mitzvah, to the Tallit under the wedding chupah, Tekhelet accompanies the major events in the Jewish life cycle. Ptil Tekhelet has special offers to help make it part of yours.
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Tekhelet Educational Resources
Educators, Rabbis, and others can make use of a vast array of educational materials including presentations, worksheets, videos, and more — targeted to various ages and background.
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