... :63.C 3.Heat duration time: 8hs 4.Mini heating pad (Mini )body warmer pad With CE, SGS,ISO and TEST REPORT The ... stability and durable. 2.All natural ingredients, no-odor,no-microwave radiation,non-poisonous, harmless and eco-friendly. Preserving Way: Store ... sunlight. OEM service:According to your different reqirement,the warmer pad may have different size,shape,and heating duration time.