Supplied in sheets of 72, these 15mm x 25mm magnetic strips are also self-adhesive, so can be used for fridge magnets or attach to display items. Thickness 0.5mm.
Will support up to 6g per strip.
Magnetic Discs with adhesive backing
Magnetic Tape with adhesive backing from Guarantape - 30m Roll
Magnetic Closer Patches
Adhesive Plastic Corner Pockets