<b>Features:</b><br> Material:Carbon Fiber Heating Cotton Thread<br> Size:12 x 8cm / 4.7" x 3.4"<br> Quantity:5Pcs/Set, 2Pcs/Set<br> Rated Voltage:5V<br> Rated Power:8W<br> Maximum Temperature:55 Centigrade (131 Fahrenheit Degree)<br><br> <b>Package Include:</b><br> 1 Set x USB Electric Heating Pads<br><br> <b>Notes:</b><br> 1. Please allow 1-3 cm difference due to manual measurement and 3-5 g for the difference between different colors.<br> 2. Due to the screen difference, the color may be a little different from what you expect, please allow it.<br>