Extra Large Capacity: 90 fl oz for long-lasting heat. Perfect for pain relief on back, neck, and shoulders. Peterpan's hot water bottle offers unparalleled comfort and extended warmth | Durable Rubber Material: Made from premium rubber. This ensures durability and excellent heat retention. Peterpan hot water bottle is built to last and provide consistent heat therapy | Convenient Stopper Storage: Peterpan original design hot water bottle lanyard (2nd Gen, 2024 Release) - keep your stopper within reach, never lose it again | Comfortable Knitted Cover: Includes a Wool Blend knitted cover made from 30% wool and 70% acrylic for added comfort and protection. Prevents direct contact with hot rubber. Peterpan’s cover enhances user comfort and safety during use | Convenient Handle: Easy to fill and handle, even with boiling water. Provides safer and more convenient usage. Peterpan’s ergonomic design simplifies the process and ensures safe handling