Eco-bedding with Odor Control is made with recycled paper. So while your pets enjoy a cleaner, neater environment in your home, you can feel good knowing you're helping maintain a better environment in the world we all share. Perfect for all types of small animals and birds. Eco-Bedding encourages foraging and nesting activities which help reduce stress and stress related behaviors. Hypoallergenic and ideal for pets and pet owners with allergies or asthma.