Have you ever wanted to paint your walls but ended up touching your ceiling in the process? That can be quite frustrating. Border is a simple invention that helps you avoid that problem. All you need to do is clip the plastic guard to the frame of any standard paint roller to stop paint from touching your ceiling, floor, or adjacent walls. The product is made of plastic. It measures 9.5” L x 2” W x 2.6” H. Yet another handy Quirky product.