The Pee Mart - Fox P-Cover 22 fl oz Fox Urine Granules! Fox P-Cover Fox Urine Granules 22 fl oz. The effect of Fox urine in easy to use shakeable granules. 100% Real Fox Urine, not a synthetic. Natures original animal repellent. The Pee Mart Fox Urine is used for rabbits, chipmunks, squirrels.