Lacis Magnetic Concealed Closure Pair 3/4 inch - Extremely powerful rare earth magnets designed to be concealed for bag closures. A sewn pocket is usually required for placement. Works with any weight material. Magnets self align. A steel case on one face keeps magnets from breaking. Case face to case face allows easy pull-apart. Face to magnet face can not be pulled apart by hand. This package contains one pair of 3/4 inch cased magnets.