Black Magic Anti-Slip Mat Gel Pad Car Dash Phone Holder Mount For Key iphone Easy and quick installation that requires no glue, mess, or tools and is non-permanent. Size approximate 5.5 inches x 3.75 inches Ever-Last Breakaway Adhesive just needs to be sprayed with simple glass cleaner to revive stickiness This anti slip pad will hold anything from: Cellphones, key, iPod, GPS, sunglasses, coin change and pen etc. This anti slip pad set can be used on both interior and glass applications