This action-packed activity center was made with ferrets in mind","They love jumping in and out of the holes and tunneling through the colorful balls","The velcro tab attaches to furniture cage or playpen to prevent tipping","For extra fun insert the super thru-way (sold separately) into one or both of the holes","The pop-n-play is made of durable fabric that wipes clean","Easy to clean. Wipe fabric clean with damp sponge. Plastic balls can be hand washed in mild soapy water rinse