Material: .030 Thickness - Create flat, flexible magnets in any shape you desire through three easy steps. First, create your shape and message. Then, send us your artwork, message and specifications. Lastly, we'll produce the custom-shaped magnet by your specifications. There's free tooling and no additional tooling, set-up, or die charge for generalized shapes. Measuring approximately 0.020 in total thickness, the magnets feature a wide range of options. Please use this item code for a 4 sq. inch flat flexible magnet with square corners. Your business will get repeat exposure when the magnets are seen on fridges, filing cabinets and many other metal surfaces!