Wood remnants are ground and pelleted. Pulp and virgin paper fiber are reworked using sustainable practices, plant-based ingredients, and proprietary technology. Materials are crafted for optimum performance, tested rigorously to meet quality standards and refined to create products specific to the needs of your pet. CritterCare natural small pet bedding is the best choice for ultimate natural comfort. This natural-colored paper bedding is ultra-soft and highly absorbent which keeps small pets healthy, warm, and dry. CritterCare provides natural, nurturing living space and encourages instinctive nesting and burrowing behaviors in rabbits, guinea pigs, hamsters, gerbils, rats, mice, ferrets, chinchillas, and other small pets.