[Product Application] Cold compress: headache, fever, heat stroke, burns, muscle strain, trauma hemostasis, pain relief beauty, etc. Hot compress: arthritis, rheumatism, dysmenorrhea, stomach discomfort, cervical spondylitis, sciatica, psoas muscle strain, etc. Cold chain: Keep food cold and fresh [Instructions for use] Cold compress: 02 Put the hot and cold bag in the refrigerator freezer pre-cool for 30 minutes, 02 or take it out in the freezer for more than 1 hour. Hot compress: 02 Method 1.02 Place this product in boiling water (turn off the heat) for 3 minutes, 02 take it out and dry it. Method 2.02 Place this product in a microwavable container filled with water, 02 and heat it in a microwave oven over high heat 3-5 minutes. Method 302. Put this product in a microwave oven (medium heat). The heating time for each use is within 30 seconds. If it is used continuously, the second time is heated within 15 seconds. Due to the different microwaves, please be careful to try the heating time at the beginning of 02. It can be started from 15 seconds to measure the safe heating time. Cleaning: 02 Gently hand wash in warm water with neutral soapy water, dry dry before use, do not machine wash, dry clean and wring. Qianyu Wangpu https://26996.qianyuwang.com/