Smart Pet Love Snuggle Kitty Behavioral Aid Toy for Pets, Tan Tiger Eases crying, loneliness and separation anxiety in pets Has a "Real Feel" pulsing heartbeat lasts up to two weeks of 24/7 use on one set of AAA Alkaline Batteries (included) Disposable heat source lasts for 24 hours and is non-toxic and safe for people and pets Used by cat rescues worldwide with optional feeding bottle Machine washable on gentle cycle