hearbeat pi on Bum bag

Hands-free and ready to go: At festivals, on your daily commute or when taking the bike for a spin — stash away important documents and other small items in this bum bag to keep them safe. Keep your hands free!

2 separate compartments with zip on front and back
Adjustable waist belt with click clasp, length: 50-119cm
Volume: 2.5 litres)
Weight: 130g
Material: 100% polyester

A - Length in in
B - Width in in

Size	A (in)	B (in)
One Size	5.12	14.96

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Created by Don D.

hearbeat pi

Created by Don D.

PI - π - HEARTBEAT - SYMBOL - SHIRT - GIFT | This cool shirt is the ideal gift idea for mathematicians, physicists, engineers, etc. Perfect for Christmas! Also as a cup, cap, hoodie, and much more.

Tags: π, eKG, gift idea, symbol, heart rate, Christmas, pi day, constant, christmas present, heartbeat, maths, Pulse, T-shirt, Mathematics, shirt, geek, physics, pi, t shirt, geometry, nerd, present, passion