In business for over 80 years National Marker Company is the leading manufacturer of American made safety communication products—including over 16,000 safety signs, tags, and labels ready to ship next day. Our commitment is to support every safety ID need, with the best product, service and custom solutions in the industry. We offer the toughest signs and labels in the market, and guarantee them for life. Protected with Sign Muscle®, a clear liquid over-laminate strong enough to protect against fading under direct sunlight, it allows easy graffiti removal, resists chemical corrosion and is applied for free.
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