Vender Booth Sign

simple shop sign minus the chain. – recommended to use heavy duty magnets to attach sign to surfaces https://www.lowes.com/pd/Master-Magnetics-25-lb-pull-Ceramic-Round-Base-Magnet-2-03-in-Dia-x-0-303-in-Thk-With-0-197-in-Dia-hole/5016139891?user=shopping&feed=yes&srsltid=AfmBOooj9uAlQD8nuEOJA2as3MKMs82mbfFe6UKHFiFEtvCztDS3YfPepZA fairly new to 3D modeling, so please let me know how I can improve this design!