wilerin3 years ago+1+10Does anyone know if the pillow also serves its purpose on a waterbed? Show in original language (German)CooleCremily273 years ago • purchased this product+1+10purchased this product Helpful answerHi, don't see any reason why the waterbed should have an impact on the practicality of the pillow. I'm sure it's a good fit. GreetingsShow in original language (German)Comment