Cut from large sheets down to this useful size, they are cut in a certain way which shifts the magnetic polarity in the sheets, making them match up and stick together evenly. These can also be used individually to make fridge magnets and you can also cut them down yourself very easily with scissors.
3M VHB Double Sided Tape Super Strong High Temperature Gray Foam Adhesive Two Face For Car/Home Decor Wide 6-50mm Customizable - AliExpress
Circle Tape
2 Self Adhesive Magnetic Sheets A4 0.85mm, for Spellbinder Dies Storage or Signs
Magnetic Sticky Note Memo Board, Dry Wipe Fridge Magnet Label Whiteboard
VERSATILE AND DURABLE: Magnet Me Up Magnet Tape Strips have a strong magnetic hold on one side as well as durable adhesive backing on the other. These
Magnet Me Up Self Adhesive Flexible Magnetic Tape, 1 inch Wide, 1/16th inch Thick, 10 ft Long Magnet Roll with Strong Adhesive Backing, Used for
Glue Tape 0.8mm Thickness Super Strong Double Side Adhesive Foam Tape for Mounting Fixing Pad Sticky Double Sided Tape - AliExpress
Magnetic Weekly Planner, Dry Wipe Fridge Whiteboard or Dry Erase Calendar Board
Magnet Sheets - Temu
These 0.85mm, 1.0mm, 1.5mm and 3.0mm thick self-adhesive magnets are perfect for making your own fridge magnets and craft projects. They are easy to
Self-Adhesive Magnets for Crafts, Magnetic Strips Sticky, Small Magnetic Dots
Double Sided Magnetic Sheets 0.75mm, Both Sides act as a Magnet, Large Rolls