Materials

Cover: textile

Demands:

- hygenic
- waterproof
- smooth
- not anti-slip

Examples:


Foam:

Demands:
- hygenic

Examples:

http://rollimoden.de/Everything--for-the-bath/?XTCsid=il3epncr70rmmlg3rbsvq2hko5

https://www.my-airex.com/en/products/physio_rehabilitation/


Benchmarks:

https://www.bol.com/nl/p/almepro-douchezitje-zachte-toiletzitting/9200000025407524/
http://www.able2.nl/product/pr50648/zachte-toiletzitting

- Schuimrubber (inside)
- vinyl cover (outside)

http://www.advys.be/docs/312.pdf   (p.3-4)

- inside: fibers or schuimrubber
- outside: ?