Computer Keyboards
CHERRY WetEx, Flexible Keyboard Protection Film for CHERRY STREAM Full-size Keyboards, ANSI-Layout, Protection against Soiling from Liquids, Dust, Debris
Resistant to distilled water, diesel, dishwashing liquid and isopropyl alcohol. Conditionally resistant to petrol, engine oil and 40 % sulphuric acid (battery acid) WetEx is free from halogens and latex and contains no polybrominated diphenyl ethers...
https://www.bizrate.co.uk/computerkeyboard/cherry-wetex-flexible-keyboard-protection-oid39942776801.html