What are these strange things you ask ? At metro darts we carry many sizes and shape of dart backboards. The colors are out of this world and they are made of foam were they last and last , they are wide enough to catch your darts that stray off the mark and are self healing . They fit easy over your dartboard and are just as easy to take off the dartboard. They come in so many colors that they will fit right in at home a bar or any break room in your business. They are about 2" thick and fit perfect around any dart board with ease.