Washing Instrctions: Wipe fabric clean with damp sponge. Plastic balls can be hand washed in mild, soapy water and rinsed clean.Warning: Continual use and ferret chewing and scratching may cause product to become worn over time. To avoid injury to your pet, discontinue use if you see signs of excessive wear. This product was specifically designed for ferrets and other small pets. Any other uses are not approved or endorsed by Marshall Pet Products. As with any cage accessory, exercise caution when introducing a new product into your pet's environment. Neither Marshall Pet Products nor its affiliates, distributors, or retailers are responsible for accidents or injuries that occur from improper use of this product.