1.Product Name:neck massager
2.heat anywhere anytime
3.Certificate:CE/SGS/MSDS
4.non-toxic,reusable,instant,portable

Product Name:neck massager

temperature: 54oC-57oC

Just click the metal piece inside the pad,the magic handwarmer will give instant heat up to approximate54oC-57oC.The product could be used more than hundreds times by following the instruction. Place the heat pad in boiling water with a cloth below(Note: prevent the plastic bag from contacting with the pot)for several minutes until all the crystals dissolve. Without electrics, the magic handwarmers are recycled and environmentally friendly products. It could be used outdoors.