Please Knock Sign- 8x3 in. White Engraved Plastic for Office by ComplianceSigns

This easy-to-read courtesy sign is manufactured from 2 layers of colored acrylic. Our precise engraving process removes the thin top color layer to reveal the underlying core color. The sign comes with double-sided foam tape for easy mounting. English text is engraved in black on white colors. Each engraved plastic sign has a matte finish to make your office message clear. ComplianceSigns products are made in the USA and commonly used in industrial, commercial, public and private settings. Full sign text: Please Knock