Hais Haina Self-Heating Foot Warmer Patch for Cold Protection

Experience unparalleled warmth and comfort with these self-heating foot warmer patches. Designed for ultimate cold protection, they effortlessly activate upon contact with air, providing soothing heat to your feet for hours. Ideal for outdoor adventures, chilly commutes, or cozying up at home, these patches are discreet and easy to apply, fitting comfortably inside any footwear. Say goodbye to cold feet and embrace all-day coziness with this essential accessory for the colder months. Fever time: 3-6 hours (inclusive) Shelf life: 36 Applicable parts: plantar Heating method: Self-heating Specification type: Normal specifications Manufacture country: China Instructions included: No