The Sanger 136872 Neck Hot Water Bag in red is specially designed for neck and shoulder comfort. This ergonomically shaped hot water bottle provides targeted heat therapy to help relieve neck pain and muscle tension. Key features: • Ergonomic neck and shoulder design • Durable red rubber construction • Textured surface for better heat distribution • Wide opening for easy filling • Secure screw cap closure This specialized hot water bag is shaped to contour around the neck and shoulders for optimal heat delivery to these areas. The textured surface helps maintain even heat distribution while the wide-mouth opening allows for safe and convenient filling. Always follow proper usage instructions regarding water temperature and seal tightness.