The spiral cases are made out of ThermoPlastic Urethane (TPU).

Unique Spiral lock process

Great for holding any type of product you use…

100% American Made

TPU is skin and food safe

TPU is transparent, tough, abrasion-resistant, and flexible even at low temperatures. It exhibits very good chemical resistance and over 500% elongation before deforming.

In testing, we have run over TPU items with a truck and shown little to no damage.