Calming heartbeat toy for dogs and puppies: Real-feel pulsing heartbeat with two modes (8-hour or 24-hour continuous) designed to provide comfort during crate training, thunderstorms, separation, and transitions Includes disposable heat pack: Single-use heat pack provides up to 24 hours of gentle warmth inside the belly pouch; compatible with Snuggle Puppy replacement heat packs Calming companion for dog anxiety: Commonly introduced during high-stress moments such as first nights, time alone, loud noises, and adjusting to unfamiliar surroundings; a natural, non-pharmaceutical approach to comfort Designed for dogs of all ages: Not just for puppies, owners also use Snuggle Puppy for adult dogs experiencing stress from changes in routine, travel, or household transitions Machine washable, Gray style, ready to use: Heartbeat and heat pack remove easily for gentle-cycle machine washing; 12 x 6.5 x 5 in premium plush with two AAA batteries included Ease Loneliness, Fear, and Separation Anxiety: Snuggle Puppy toys recreate maternal intimacy with physical warmth in the form of a dog toy featuring the advanced “Real-Feel” pulsing heartbeat. Snuggle Puppy is designed to comfort puppies during new experiences such as crate training, bedtime, and their first nights away from their litter. Many dogs respond quickly to the warmth and heartbeat, while others may take a few nights to adjust. As with any training aid, results depend on each puppy’s temperament, age, and routine. For best results, use Snuggle Puppy consistently as part of your puppy’s established sleep or crate training routine. Snuggle Puppy heartbeat puppy toy is an all natural solution for general dog anxiety relief, thunderstorms, new environments, crate training and more. It’s the perfect gift for new dog owners and has become a new puppy essential for first time dog owners.