Heat Cushion 1, Universal Size, Suit For All Cars. 2, Two PC/Set, 1 Set/PVC Bag with color card, 12 Sets/CTN. 3, Quick and easy installation and taking off. 4, DC12V&24V and H1-20 45W Heat Cushion Electric-heating warm cuhsions used in winter season. 5, Inside the cushion, there is temperature-controller. When the temperature is heated to 65, it will stop automatically. We also accept customers own designs, ideas and samples to make the items according to your needs. Pls cotact for more info.