29993 Pegboard, 16-Inch X 16-Inch by Dorman Hardware. This has built in stand-offs (provides proper spacing from wall). Locking mechanisms to allow multiple panels to be combined into one. Plastic construction means hanging damp items on this won’t damage it.
I use a similar system [The Bulldog Hardware 131588 Peg-A-System Ultimate Kit] around my brewery to store tools (regulator adjustment screwdriver), tubing, funnels, scoops, my Blichmann Beer Gun and more. This is a great way to store and organize gear.
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