Assertion: air cushion | /r/HasProperty | waterproof
Facets:
Source sentences:
text: Because air cushions are waterproof and lightweight, they can be used in a bathtub or out on a boat.
text: Air cushions tend to be lightweight, and are waterproof.
text: Air cushions are relatively lightweight, and are waterproof, allowing for double duty in the bathtub or on a boat.