Picnic plus unique beer and bottle opener attaches to any metal surface with exclusive MagnaCore (TM) neodymium magnet. Bottle caps magically stick to each other by the hidden inside magnets. Tested to hold up to 90 bottle caps. Perfect for refrigerators, bars, trucks, and a must for man caves and tailgate parties Made with renewable striped Bamboo.Magnetic bamboo bottle opener by Picnic PlusCountry of Origin: China Depth: 1 2 Height: 8 Weight: 1 Width: 3-3 4