Foldable: easy to clean. Lightweight, portable, safe to use, attaches around seams High quality material: Made of 5V carbon fiber heating sheet, no peculiar smell, silicone switch not easy to deform, waterproof, can be fixed around the seam Easy to Power: Easy to get, just plug in mobile power USB port or 5V 2A power adapter Multifunctional: mainly used to warm the dog/cat bed Size: 22×40CM, heating temperature 4045 degrees"