![A signsofsafety MA228 Signs of Safety Mandatory Hearing Protection Must Be Worn on this site sign featuring a circle with a stylized image of a head wearing earmuffs, in white on a blue background, with text below that reads "hearing protection must be worn.](http://www.signsofsafety.net.au/cdn/shop/products/MA228_{width}x.jpg?v=1549943914)
A mandatory sign indicating that hearing protection must be worn in order to gain entry to a particular area. Mandatory signs are used to indicate an instruction that must be carried out. These signs feature blue and white images with black text and can be manufactured as a self adhesive sticker, metal or polypropylene signs in a variety of sizes
PCS - Pre Coated Steel, heavy duty
SAV - Self Adhesive Vinyl, ideal for sticking to clean gloss surfaces
Polypropylene - indoor / outdoor signage
Fluted Plastic - short term applications