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What are string and washer closures?

What are string and washer closures? These closures, also known as Japanese closures, consist of two brown plastic circles with a black cotton cord. It is a chic way to close a brochure, book or envelope by twisting the cord around the two circles. Because of this elegant look, they are also called notary closures or notary buttons. Options with string and washer closures The string and washer closures can ...