Magnetic Wreath Holder, Super Strong Magnetic Cups Hold Through Glass, Back Of Cups Are Coated With A Non Stick, Non Scratch Vinyl, Can Be Used As 2 Separate Hooks To Hang Multiple Wreaths, Signs, Etc. On Steel Surfaces, Displayed On A Blister Card. Designed to hold magnet to magnet through a single pane of glass | Each magnet includes a V-shape hook with opening beginning at 0.240" closing down to 0.190" | Each magnet includes non-scratch liner | Holds through single pane glass