Bykes 80 Neodymium Magnets Super Strong Rare Earth Magnets Refrigerator Magnets - 1/8" x 1/8" x 1/16" Thick Square N48 Package of 80 Magnets - Grade N48 Pulling Force - 0.8 lbs Neodymium Iron Boron (NdFeB) Rare Earth Magnets 0.125" x 0.125" x 0.0625" Thick Square Magnets WARNING: VERY STRONG MAGNETS. KEEP OUT OF REACH OF ALL CHILDREN. THIS IS NOT A TOY.