The intriguing external structure of this mouth-blown drinking straw is formed according to the golden ratio.
The vortex principle is applied to the straw's internal design. The interior glass wall of each Calamus Drinking Straw is cut with fine spirals which induce a powerful vortex motion into any liquid that passes through the straw.
Length 24 cm
Mouth blown borosilicate glass
Made in China according to Swiss specifications
Shipping charges will apply unless picked up at our store.