Kong Cat Zen DenKONG Play Spaces Zen Den is a Bermuda Triangle of tempting, multi sensory enrichment options where cats can lose themselves in hide and peek fun. Large scratching surface on the outside satisfies instincts while a bell filled plush ball dangles inside, inviting batting. Super soft plush bedding inside beckons when kitties need a snooze between bouts of healthy, active play. Tempting, multi sensory enrichment options where cats can lose themselves in