Corn Cob Bedding by admin newsletter Lab Supply offers corn cob bedding from The Andersons and Shepherd Specialty Papers. It comes in different sizes including 1/8″, 1/4″, or combination. Corn Cob bedding is ideal for mice, rats, guinea pigs and other small animals. It will not cling to the cage, has fast wicking absorption, and helps to resists cage flooding. Find out more on our website.