Material: Stainless Steel, it is hypo allergenic, it doesn't rust, change colour or tarnish and it is lead free and nickel free. Size: pi symbol pendant: 1.3cm(0.51inch)*1.5cm(0.59inch), chain length: 44cm(17.32inch)+5cm(1.97inch). The Pi Pendant Necklace will arrive in a velvet bag ready for giving. Perfect gift for a Maths graduate, Maths student or teacher, Math nerd, Mathematician, Scientist, math and geometry lovers. Pi is mathematical constant that is equal to the ratio of a circle's circumference to its diamater. It's an irrational number, which means that while it starts with 3.14159265, its digits continue indefinitely. It's a great way to show someone She/He is a CONSTANT in your life! Occasions: Pi Day on March 14 (3/14), Birthday, Teacher Appreciation Week, Thanksgiving Day, Graduation, Christmas, or other special days.
Manufacturer: WUSUANED
Brand: WUSUANED
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