Want to protect that beautiful foam against any kind of liquid disaster? This Water-Proof Cover – liquid barrier liner will keep your bed completely safe from spills, weather damage, and accidents, to remove the source. Securely zippers to the foam, UNDER the fabric cover, for a double barrier of protection. The Water Resistant Liners will keep your bed completely safe from spills, weather damage, and accidents for enough time to remove the source. when caught within 30 mins. Recommended for puppies & senior dogs with bladder issues. 100% Water resistant. No liquid or moisture will penetrate this liner, not even the worst accidents. Water resistant up to 2 hours of standing water; For longer periods of protection use the Water-Proof Cover. For use with Wruff and Tough. Goes under the bed cover. Each batch is stress tested under extreme conditions. Guaranteed to keep your foam like new. Made in USA. Same material found in hospital beds around the country