Wide Application Surfaces: Sticks firmly to any magnetic receptive surfaces including refrigerators , metal lockers , magnetic whiteboards , windows , and office boards Ample Quantity for Creative Projects: This set includes 36 transparent square or heart shaped glass covers and 36 magnetic backings , are available in sufficient quantities to meet your DIY needs Simple DIY Process: Just stick your favorite patterns or dried flowers on the flat back of transparent glass covers , then attach the magnetic backing by peeling off the protective film to create beautiful fridge magnets Premium Quality Materials: Made of soft magnetic material for the adhesive magnets and enduring transparent glass for the dome cabochons , ensuring long lasting use Perfect for Various Occasions: Ideal for making gifts for Mother's Day , Christmas , birthdays , graduation seasons , and suitable for school crafts , hobby classes , parent child activities , as well as creating personalized fridge magnets , keychains , pendants , and card decorations