Large Capacity: 100 fl oz (3 liters) hot water bottle provides ample warmth for sleeping or relieving muscle aches | Durable and Safe: Made with 55% high-quality rubber without BPA or phthalates for safe and worry-free use | Soft Cover: Includes a plush, zippered cover for comfort and easy refilling | Multipurpose: Can be used as a hot water bag for sleeping, muscle relief, or warming cold hands/feet | Convenient Stopper Storage: Peterpan The Original Design Hot Water Bottle Lanyard (2nd Gen, 2024 Release) - Keep Your Stopper Within Reach, Never Lose Your Stopper Again