Math Spiral

Let your mind send you down the rabbit hole as you inhale smoke and all the mathematical secrets of the world hidden in this enigmatic insert.

Interchangeable OASIS graphic inserts let you personalize and enhance your smoking experience.
This premium insert is heat, scratch and chemical-resistant. It features high resolution detail with photographic quality.

Buy multiple inserts and save!

2 premium inserts for $24.95
3 premium inserts for $29.95
4 or more premium inserts: ONLY $9.98 each!

As always, shipping is FREE.