These 6 packs of replacement heat packs for our Calmeroos Puppy and Calmeroos Kitty are very long-lasting - up to 36 hours each! Each heat pack is disposable and provides comforting warmth inside our Calmeroos Puppy and Calmeroos Kitty. Your pet will love to cuddle up to their warm and cozy Calmeroos!

• 6-pack of replacement disposable heat packs for pets for inside our Calmeroos Puppy and Calmeroos Kitty
• Very long-lasting - continuous, comforting heat release for up to 36 hours each heat pack!
• All-natural and odorless ingredients are environmentally safe - just dispose in regular trash when finished with it.
• Easy to use - just open and the air-activated heat pack will start to warm up
• Tip: Temporarily pause heating process by placing heat pack inside a resealable plastic bag.