Feature(may vary by option.)

●PACKAGE INCLUDES Each Pi gift necklace comes in a jewelry box with an elegant velvet pouch and is ready for gift giving.
●SAFE MATERIAL & SIZE This Pi necklace is 25.6 inches long. Made of environmentally friendly stainless steel, safe and does not deform. Jewelry box length 3.2 inch, width 2 inch, height 0.6 inch.
●Pi symbol necklace can be used as Christmas gifts, New Year gifts, Halloween gifts, math graduation gifts, scientist gifts, Pi gifts for men, math students or teachers, math nerd gifts, math gifts and geometry lovers.
●Pi is a mathematical constant that corresponds to the ratio of the circumference of a circle to its diameter. It is an irrational number, which means that while it starts with 3.14159265, its digits continue indefinitely. Its a great way to show someone that its a constant in your life
●Pi Birthday Gift Pi Sign Necklace Back to School Student Gift, Pi Day Gifts, Mathematical Pi Symbol Pendant Necklace is a great way to say happiness when someone has a maths degree, or to say congratulations on graduation

[pi necklace box]

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