A good dog bed is one of the few purchases your dog uses every single night, so support and washability matter more than looks. We paid the most attention to orthopedic memory foam, because dogs with joint stiffness or age on them benefit from a surface that does not bottom out under their weight. A bed that flattens to the floor within a month is not doing anything for their hips. Waterproofing came next. A sealed liner under the cover saves the foam from accidents, drool, and muddy paws, and it is the difference between a bed you keep and one you toss. We also weighed how easily the cover comes off and survives the washing machine, since a bed you cannot clean becomes a smell problem fast. Sizing is where people slip up. Measure your dog stretched out and size up, because a dog that hangs off the edge will not use the bed. Anti-slip bases help on hardwood and tile.

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