Mini Cute Cartoon Self Heating Hand Warmer Student Portable Portable Warm Baby Features: Mini cute hand warmers at any time, allowing you to always enjoy the warmth and sweetness in your heart. Our hand warmers can be controlled with one palm and are easy to carry. You dont need to recharge and flush, you just need to replace the replacement core regularly, which can last up to eight hours. Material: Use silicone material, Q bombs can also be decompressed, so you have a comfortable feel. Safety and moisture-proof: use independent packaging to prevent moisture. One thing with multiple functions: It can not only warm your hands but also serve as a key case. The size is: 9.5x6.5cm. package include 1 X Self-heating hand warmer