Ni+Cu+Ni Triple Layer Coated. The Best Coating Available, which Provides a Shiny and Rust Resistant Protection for the Magnets.
Made of Strongest Magnetic Material! Strong Holding Power, Holding Power is not Less than 18 lb per Magnet with Direct Touch and Direct Pull. Diameter 32mm x Thick 3mm (approx. 1.26"" x 1/8"" ). Refrigerator Magnets, Shower Door, Work or Office, Scientific Purposes, Arts and Crafts or School Classroom. Made under ISO 9001 Quality Systems. The Highest Quality Available!