This Sanger 2-liter hot water bottle is made from natural rubber and comes with a textured blackberry-colored relief cover. The bottle features a secure screw cap design and TÜV certification for safety and quality assurance. The relief pattern on the cover provides both aesthetic appeal and functional comfort. Key features: • 2-liter capacity for extended heat retention • Made from natural rubber material • Textured relief cover in blackberry color • TÜV certified for safety • Secure screw cap design • Eco-friendly natural materials • Relief pattern for enhanced comfort The hot water bottle is manufactured using renewable rubber tree sap, making it an environmentally conscious choice. The relief pattern on the cover helps distribute heat evenly while providing a pleasant tactile experience. The bottle can be used for both heat and cold therapy applications. The cover helps protect against direct contact with the bottle surface while maintaining optimal temperature.