<p><b>Technical Parameters</b></p> <p> * Capacity:340ml/525ml </p> <p> * Size: 6.3inch*4.3inch (16cm*11cm)</p> <p> * Water Temperature : 80°C / 176 °F or so </p> <p> * Injected Volume while heating : top up with cold water </p> <p>* Injected Volume : 100% Full filled water </p> <p> * Heating Power : < 800W </p> <p> * Microwave Heating Time :< 2 minutes for Small and < 3 minutes for Large</p> <p> * Stay Hot Time : 2-3 hours </p> <p><b> Water Injection Steps</b></p> <p>A:Add hot water directly. </p> <p> 1.Place the hot water bag into the knitted cover. </p> <p> 2.Add 80°C / 176 °F hot water into it and keep 100% full. </p> <p> 3.Eliminate excessive air and firmly tighten the lid. </p> <p> B:Heating in microwave oven.</p> <p> 100% FULL FILLED WITH COLD WATER WHEN HEATING </p> <p>Notice:< 2 minutes (for Small) and < 3 minutes (for Large) </p> <p> C:Filled with ice water and applied to the body to reduce swelling or lower temperature. </p> <p><b> Matters Needing Attention</b></p> <p> 1. The rubber washer under the cover plays an important role in preventing water leakage. Do not damage and lose. </p> <p> 2. Do not add boiling water into directly, it's favor to add 80°C / 176 °F waterand keep 100% full, then put on the cloth cover. </p> <p> 3. When it's left unused, make it dry enough and properly inflate it then place it under shady and dry conditions. </p> <p> 4. Do not close it to the body for a long time for fear of scald. </p> <p> 5. If it swells during the heating process, please stop heating immediately. However, do not open microwave immediately. </p> <p> 6. Children under 3 years old shall not use this product . </p> <p>7. This is small size, suggest buy the large size. </p> <p><b> Package Include</b></p> <p>1* hot water bag</p> <p> 1* knit cover </p> <p> 1*gift pack</p>