Foldable: it is easy to clean. Lightweight, easy to carry, safe to use and can be fixed around the seam High Quality Material: Made of 5V carbon fiber heating sheet, no peculiar smell, not easy to deform. Silic switch, waterproof, can be fixed around the seam. Convenient for power supply: Convenient for power supply, just plug in the power bank USB port or 5V 2A power adapter. Multi-function: mainly used to warm the dog/cat bed. Size: 22 x 40 cm, the heating temperature is 40-45 degrees.