These water-proof pillows are immune to discolorations and wetness, keeping them fresh and clean for longer periods

https://blogfreely.net/lendaitvpd/h1-b-bid-farewell-to-neck-pain-with-the-very-best-neck-pillows-on-the

These waterproof pillows are resistant to discolorations and moisture, keeping them fresh and clean for longer durations