Description: 1. The bottom of the cushion where it contacts with the surfaces of your preference, are made to be non-slippery, which will in turn prevent any kind of slipping. Don’t worry, the cushion will stay in the place without any movement on most surfaces. Even on leather seats.2. The cushion is very elastic. It is pretty easy to carry around. It is also highly recommended to you to use this cushion on most chairs, sofas, office chairs etc. to improve your comfort, especially for those who have a hard time sitting on the same spot.3. It is waterproof and water-durable, meaning it won’t suck in any unwanted liquid and you can easily wash it with some soap and water and it will be clean as new. Good for both outdoor and indoor uses.4. Dimension: 35*37*5cm.