Shapes are flawless.

The main component of our formula is polyethylene, along with two other polyethylene-based materials.
There are no known studies suggesting that polyethylene is toxic or otherwise harmful to humans.
The BUND (German Environmental and Nature Conservation Association) also considers the material harmless.
Shapes are waterproof and easy to clean with warm water, food-safe, and skin-friendly.
Even if Shapes were worn barefoot – which we do not recommend for liability reasons – Shapes would not cause any skin irritations.