Safety Sign Product

Harmful Sign

Design no: 662

Harmful Sign-662A Show Letterbox

Letterbox style

Harmful Sign-662B Show Standard

Standard style

Harmful Sign from Parrot Signs

Product Description

Ensure clear communication of hazards with this Harmful Sign, designed to alert and protect staff and visitors in your workplace.

Available in three durable materials:

  • Foamex (3mm Rigid Plastic) – Lightweight and ideal for indoor use, providing clear visibility where required.

  • Dibond (Aluminium Composite) – Weather-resistant and robust, suitable for outdoor and high-traffic environments.

  • Self-Adhesive Vinyl – Easy to apply on clean, smooth surfaces such as walls or equipment, with no need for fixings.

If you require a different finish, Correx and Magnetic Sheet options are available on request — contact us for bespoke signage solutions.

Printed in the UK

Utilising UV resistant inks to maintain clear and lasting visuals.

Proudly manufactured in the UK and supported by expert advice to help you choose the most suitable material.

Step 1. Choose Material

Step 2. Choose Style

Step 3: Choose Size & Quantity

Use this grid left to right: choose a size row first, then read price by quantity tier. SKU remains reference-only.

0 visible 0 hidden
Size / Reference 1-4 5-19 20-49 50+ Action
205mm x 50mm 662-D-VS / Vinyl Sticker / Letterbox 1-4 £1.70 5-19 £1.36 20-49 £1.02 50+ £0.51
1-4 @ £1.70
Line £1.70
300mm x 100mm 662-J-VS / Vinyl Sticker / Letterbox 1-4 £2.17 5-19 £1.74 20-49 £1.30 50+ £0.65
1-4 @ £2.17
Line £2.17
360mm x 120mm 662-A-VS / Vinyl Sticker / Letterbox 1-4 £2.27 5-19 £1.82 20-49 £1.36 50+ £0.68
1-4 @ £2.27
Line £2.27
148mm x 210mm (A5) 662-Y-VS / Vinyl Sticker / Standard 1-4 £2.27 5-19 £1.82 20-49 £1.36 50+ £0.68
1-4 @ £2.27
Line £2.27
450mm x 150mm 662-F-VS / Vinyl Sticker / Letterbox 1-4 £3.06 5-19 £2.45 20-49 £1.84 50+ £0.92
1-4 @ £3.06
Line £3.06
205mm x 50mm 662-D-FO / 3mm Rigid Plastic / Letterbox 1-4 £3.33 5-19 £2.66 20-49 £1.00 50+ £1.00
1-4 @ £3.33
Line £3.33
300mm x 200mm 662-K-VS / Vinyl Sticker / Letterbox 1-4 £4.69 5-19 £3.75 20-49 £2.81 50+ £1.41
1-4 @ £4.69
Line £4.69
210mm x 297mm (A4) 662-X-VS / Vinyl Sticker / Standard 1-4 £4.89 5-19 £3.91 20-49 £2.93 50+ £1.47
1-4 @ £4.89
Line £4.89
240mm x 360mm 662-B-VS / Vinyl Sticker / Standard 1-4 £5.72 5-19 £4.58 20-49 £3.43 50+ £1.72
1-4 @ £5.72
Line £5.72
148mm x 210mm (A5) 662-Y-FO / 3mm Rigid Plastic / Standard 1-4 £5.78 5-19 £4.62 20-49 £3.47 50+ £1.73
1-4 @ £5.78
Line £5.78
300mm x 100mm 662-J-FO / 3mm Rigid Plastic / Letterbox 1-4 £6.02 5-19 £4.82 20-49 £3.61 50+ £1.81
1-4 @ £6.02
Line £6.02
600mm x 200mm 662-G-VS / Vinyl Sticker / Letterbox 1-4 £6.07 5-19 £4.86 20-49 £3.64 50+ £1.82
1-4 @ £6.07
Line £6.07
297mm x 420mm (A3) 662-W-VS / Vinyl Sticker / Standard 1-4 £6.13 5-19 £4.90 20-49 £3.68 50+ £1.84
1-4 @ £6.13
Line £6.13
205mm x 50mm 662-D-DB / 3mm Aluminium Composite / Letterbox 1-4 £6.66 5-19 £5.33 20-49 £4.00 50+ £2.00
1-4 @ £6.66
Line £6.66
600mm x 150mm 662-I-VS / Vinyl Sticker / Letterbox 1-4 £6.83 5-19 £5.46 20-49 £4.10 50+ £2.05
1-4 @ £6.83
Line £6.83
480mm x 360mm 662-C-VS / Vinyl Sticker / Standard 1-4 £6.92 5-19 £5.54 20-49 £4.15 50+ £2.08
1-4 @ £6.92
Line £6.92
360mm x 120mm 662-A-FO / 3mm Rigid Plastic / Letterbox 1-4 £7.12 5-19 £5.70 20-49 £4.27 50+ £2.14
1-4 @ £7.12
Line £7.12
300mm x 200mm 662-K-FO / 3mm Rigid Plastic / Letterbox 1-4 £8.27 5-19 £6.62 20-49 £4.96 50+ £2.48
1-4 @ £8.27
Line £8.27
450mm x 150mm 662-F-FO / 3mm Rigid Plastic / Letterbox 1-4 £9.00 5-19 £7.20 20-49 £5.40 50+ £2.70
1-4 @ £9.00
Line £9.00
148mm x 210mm (A5) 662-Y-DB / 3mm Aluminium Composite / Standard 1-4 £9.12 5-19 £7.30 20-49 £5.47 50+ £2.74
1-4 @ £9.12
Line £9.12
300mm x 100mm 662-J-DB / 3mm Aluminium Composite / Letterbox 1-4 £9.35 5-19 £7.48 20-49 £5.61 50+ £2.81
1-4 @ £9.35
Line £9.35
210mm x 297mm (A4) 662-X-FO / 3mm Rigid Plastic / Standard 1-4 £9.95 5-19 £7.96 20-49 £5.97 50+ £2.99
1-4 @ £9.95
Line £9.95
360mm x 120mm 662-A-DB / 3mm Aluminium Composite / Letterbox 1-4 £10.45 5-19 £8.36 20-49 £6.27 50+ £3.14
1-4 @ £10.45
Line £10.45
600mm x 300mm 662-H-VS / Vinyl Sticker / Letterbox 1-4 £10.91 5-19 £8.73 20-49 £6.55 50+ £3.27
1-4 @ £10.91
Line £10.91
240mm x 360mm 662-B-FO / 3mm Rigid Plastic / Standard 1-4 £11.20 5-19 £8.96 20-49 £6.72 50+ £3.36
1-4 @ £11.20
Line £11.20
300mm x 200mm 662-K-DB / 3mm Aluminium Composite / Letterbox 1-4 £11.60 5-19 £9.28 20-49 £6.96 50+ £3.48
1-4 @ £11.60
Line £11.60
600mm x 150mm 662-I-FO / 3mm Rigid Plastic / Letterbox 1-4 £12.03 5-19 £9.62 20-49 £7.22 50+ £3.61
1-4 @ £12.03
Line £12.03
450mm x 150mm 662-F-DB / 3mm Aluminium Composite / Letterbox 1-4 £12.33 5-19 £9.86 20-49 £7.40 50+ £3.70
1-4 @ £12.33
Line £12.33
297mm x 420mm (A3) 662-W-FO / 3mm Rigid Plastic / Standard 1-4 £12.90 5-19 £10.32 20-49 £7.74 50+ £3.87
1-4 @ £12.90
Line £12.90
210mm x 297mm (A4) 662-X-DB / 3mm Aluminium Composite / Standard 1-4 £13.28 5-19 £10.62 20-49 £7.97 50+ £3.98
1-4 @ £13.28
Line £13.28
420mm x 594mm (A2) 662-V-VS / Vinyl Sticker / Standard 1-4 £13.83 5-19 £11.06 20-49 £8.30 50+ £4.15
1-4 @ £13.83
Line £13.83
600mm x 450mm 662-E-VS / Vinyl Sticker / Standard 1-4 £13.92 5-19 £11.14 20-49 £8.35 50+ £4.18
1-4 @ £13.92
Line £13.92
480mm x 360mm 662-C-FO / 3mm Rigid Plastic / Standard 1-4 £14.37 5-19 £11.50 20-49 £8.62 50+ £4.31
1-4 @ £14.37
Line £14.37
600mm x 200mm 662-G-FO / 3mm Rigid Plastic / Letterbox 1-4 £14.37 5-19 £11.50 20-49 £8.62 50+ £4.31
1-4 @ £14.37
Line £14.37
240mm x 360mm 662-B-DB / 3mm Aluminium Composite / Standard 1-4 £14.53 5-19 £11.62 20-49 £8.72 50+ £4.36
1-4 @ £14.53
Line £14.53
600mm x 150mm 662-I-DB / 3mm Aluminium Composite / Letterbox 1-4 £15.36 5-19 £12.29 20-49 £9.22 50+ £4.61
1-4 @ £15.36
Line £15.36
297mm x 420mm (A3) 662-W-DB / 3mm Aluminium Composite / Standard 1-4 £15.42 5-19 £12.34 20-49 £9.25 50+ £4.63
1-4 @ £15.42
Line £15.42
800mm x 600mm 662-L-VS / Vinyl Sticker / Standard 1-4 £17.46 5-19 £13.97 20-49 £10.48 50+ £5.24
1-4 @ £17.46
Line £17.46
480mm x 360mm 662-C-DB / 3mm Aluminium Composite / Standard 1-4 £17.70 5-19 £14.16 20-49 £10.62 50+ £5.31
1-4 @ £17.70
Line £17.70
600mm x 200mm 662-G-DB / 3mm Aluminium Composite / Letterbox 1-4 £17.70 5-19 £14.16 20-49 £10.62 50+ £5.31
1-4 @ £17.70
Line £17.70
600mm x 300mm 662-H-FO / 3mm Rigid Plastic / Letterbox 1-4 £17.82 5-19 £14.26 20-49 £10.69 50+ £5.35
1-4 @ £17.82
Line £17.82
420mm x 594mm (A2) 662-V-FO / 3mm Rigid Plastic / Standard 1-4 £17.82 5-19 £14.26 20-49 £10.69 50+ £5.35
1-4 @ £17.82
Line £17.82
600mm x 450mm 662-E-FO / 3mm Rigid Plastic / Standard 1-4 £19.48 5-19 £15.58 20-49 £11.69 50+ £5.84
1-4 @ £19.48
Line £19.48
600mm x 300mm 662-H-DB / 3mm Aluminium Composite / Letterbox 1-4 £21.15 5-19 £16.92 20-49 £12.69 50+ £6.35
1-4 @ £21.15
Line £21.15
420mm x 594mm (A2) 662-V-DB / 3mm Aluminium Composite / Standard 1-4 £21.15 5-19 £16.92 20-49 £12.69 50+ £6.35
1-4 @ £21.15
Line £21.15
600mm x 450mm 662-E-DB / 3mm Aluminium Composite / Standard 1-4 £22.82 5-19 £18.26 20-49 £13.69 50+ £6.85
1-4 @ £22.82
Line £22.82
1200mm x 900mm 662-M-VS / Vinyl Sticker / Standard 1-4 £35.63 5-19 £28.50 20-49 £21.38 50+ £10.69
1-4 @ £35.63
Line £35.63
800mm x 600mm 662-L-FO / 3mm Rigid Plastic / Standard 1-4 £39.30 5-19 £31.44 20-49 £23.58 50+ £11.79
1-4 @ £39.30
Line £39.30
800mm x 600mm 662-L-DB / 3mm Aluminium Composite / Standard 1-4 £42.63 5-19 £34.10 20-49 £25.58 50+ £12.79
1-4 @ £42.63
Line £42.63
1200mm x 900mm 662-M-FO / 3mm Rigid Plastic / Standard 1-4 £58.42 5-19 £46.74 20-49 £35.05 50+ £17.53
1-4 @ £58.42
Line £58.42
1200mm x 900mm 662-M-DB / 3mm Aluminium Composite / Standard 1-4 £61.75 5-19 £49.40 20-49 £37.05 50+ £18.53
1-4 @ £61.75
Line £61.75

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