The round format is optimal for attaching to round things - if you have something in a square shape

This set contains:

and because it's so flat

This ensures when that when you using clothes with the magnetic buttons

A4 blue magnetic foil

Power magnet, Blok 10x10x2 mm. 3M The round format is optimalNeodymium magnets Powerful magnets Length: 1 cm Width: 1 cm Height: 0. 2 cm Strength: approx. 1 kg. Flat, square power magnet with incredible strength. This size of power magnet is not suitable for glass boards. SPECIFICATIONS: Strength: approx. 1,000 g. Material: NdFeB Magnetisation: N45 Gauss: 13200 13700 (1. 32 1. 37 T) MGOe: 43 45 Max. temperaturee: 80C Surface: nickel plated (Ni Cu Ni)