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303 Tonneau Cover and Convertible Top Cleaner

303 Tonneau Cover and Convertible Top Cleaner

Spray-on, rinse-off cleaner safely removing dirt, stains, and environmental build-up from fabric and vinyl convertible tops and tonneau covers.

30571518

Out of stock

⚙ Ideal For

  • Fabric and vinyl convertible tops
  • Tonneau and soft covers
  • Car bra and protective film
  • Environmental contamination removal
  • Routine maintenance cleaning

✔ Benefits

  • Cleans both fabric and vinyl surfaces
  • Removes dirt, stains, and build-up
  • Residue-free formula
  • Easy spray-on, rinse-off application
  • Extends life of soft trim surfaces
DETAILED DESCRIPTION →
£15.99 GBP
£15.99 GBP
£13.33 Ex. VAT
Sale Sold out
Taxes included. Shipping Policy

🚚 UK Shipping: Standard (£2.99) or FREE on orders over £75.

📦 Dispatched same-day if ordered before 3pm!

Shipping Information

What Are My Shipping Options?

In-Store Pickup

In-Store pickup is available on all purchase. Pickups are available Monday - Friday between the hours of 9:00–17:00. 

An email confirmation will be sent when your order is ready for collection. 

Free Shipping

We offer free Standard (2-3 Days) shipping on orders within the United Kingdom on orders over £100. Please note, some large items that require specialist courier companies, such as large mirrors and palleted items are excluded from this deal.

Shipping Fees

We also offer shipping at the following rates:

Standard-Size Parcel

Standard (UK Only) - 2-3 Days - £2.99

Express (UK Only) - 1-2 Days - £4.99

International (EU) - 3-7 Days - £14.99

International (ROW) - 5-10+ Days -£23.99


Large Parcel

Standard (UK Only) - 2-3 Days - £2.99

Express (UK Only) - 1-2 Days - £4.99

International (EU) - 3-7 Days - £14.99

International (ROW) - 5-10+ Days - £69.99

Most UK orders will be sent using Royal Mail, with larger items being sent with DPD.

International orders within the EU will normally be dispatched with Royal Mail, DPD, or UPS.

International orders to the rest of the world will normally be sent with DPD or UPS.

Please note, international delivery charges are very volatile and subject to change. We will do everything in our power to honour the delivery fee, however, in some cases, shipping may increase in price. In this event, you will be given the offer to pay the difference or cancel the order and receive a full refund.

Please note, we may be subject to various rules and restrictions in relation to some international deliveries, and you may be subject to additional taxes and duties over which we have no control. If such cases apply, you are responsible for complying with the laws applicable to the country where you live and will be responsible for any such additional costs or taxes.

Dispatch Times

Orders placed before 15:00 Monday - Friday will be shipped on the same day. 

Orders placed after this time will be shipped on the following business day,

Please note, we are closed at weekends, as well as English Bank Holidays.

Returns Policy

Our refund policy can be found at the following address: https://esupplyline.com/policies/refund-policy.

Further Information

You can contact us for further information on our shipping policies using the following:

Phone: 01953 711 881

Email: sales@esupplyline.com

Live Chat: Available on our website, Monday - Friday, 8:30 - 17:00.

Contact Form: https://esupplyline.com/pages/contact

View full details

303 Tonneau Cover and Convertible Top Cleaner

303 Automotive Tonneau Cover and Convertible Top Cleaner safely removes dirt, grime, stains, and environmental build-up from fabric and vinyl convertible tops. The residue-free formula brightens surfaces whilst extending the lifespan of soft trim through regular cleaning and maintenance.

Key Features

  • Cleans Fabric and Vinyl Safely — Formulated to clean both material types without causing damage or discolouration to delicate convertible surfaces.
  • Removes Tough Stains and Build-Up — Breaks down stubborn environmental contamination, dirt, and stains trapped in fabric or vinyl.
  • Residue-Free Formula — Rinses completely clean without leaving film, haze, or sticky residue on surfaces.
  • Easy Spray-On, Rinse-Off Application — Simple application method requires no special tools, brushes, or extended working time.
  • Brightens and Restores Appearance — Restores like-new appearance to faded or dull convertible tops whilst extending surface lifespan.
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Description

Convertible Top Vulnerability to Environmental Contamination

Convertible tops and tonneau covers are constantly exposed to environmental contaminants—bird droppings, tree sap, industrial fallout, road grime, and UV-driven oxidation. Fabric tops absorb moisture and trap dirt deep within fibres, whilst vinyl accumulates surface grime and sticky residues. Left untreated, this accumulation damages material integrity, causes discolouration, and accelerates degradation through chemical attack and UV exposure.

Fabric and Vinyl Compatibility

Different material types require different cleaning chemistries. Traditional fabric cleaners can leave vinyl residue or streaking, whilst vinyl cleaners may over-dry or discolour fabric. 303's formulation addresses both materials in a single product, eliminating the need for separate cleaners and simplifying maintenance routines across mixed-material convertible systems.

Tough Stain and Build-Up Removal

Environmental contaminants often bond chemically to fabric and vinyl, requiring cleansers with sufficient dissolving power to break these bonds without requiring aggressive scrubbing that could damage fibres or wear vinyl. 303's cleaning chemistry targets these bonds whilst remaining gentle enough for routine maintenance use.

Residue-Free Rinsing

Many convertible cleaners leave a sticky, slippery residue that requires additional rinsing or post-treatment to remove. 303's formulation rinses completely, leaving surfaces clean and dry without film or residue—essential for safety, as slippery convertible tops increase accident risk during vehicle operation.

Brightness and Appearance Restoration

Beyond contamination removal, the cleaner brightens faded or dulled surfaces, restoring the colour depth and appearance of convertible tops closer to factory condition. This aesthetic restoration contributes to overall vehicle appearance and perceived condition.

Surface Life Extension Through Regular Maintenance

Convertible tops degrade through two mechanisms: chemical attack from environmental contaminants and UV exposure to unprotected material. Regular cleaning removes corrosive contaminants before they damage material, while reducing the visible accumulation that suggests neglect and accelerates perceived degradation.

More Information

Application Instructions

Rinse the tonneau cover or convertible top thoroughly. Use a hose or pressure washer at medium pressure to remove any loose dirt, solids, and debris from the surface.

While the area is still wet, apply 303 Automotive Tonneau Cover and Convertible Top Cleaner. Spray the cleaner generously across the damp surface whilst it remains wet from initial rinsing.

Agitate lightly with a dampened soft brush, terry cloth rag, or sponge. Use gentle circular motions or linear strokes to work the cleaner into the fabric or vinyl without aggressive scrubbing.

For difficult stains, let cleaner stand for 10–20 minutes before scrubbing. Extended dwell time allows the cleaning chemistry to break down stubborn contaminants, loosening them for easier removal.

Agitate lightly to loosen stubborn stains. After dwell time, use gentle scrubbing motion with a soft brush or cloth to loosen loosened stains.

Rinse thoroughly with clean water. Use a hose or pressure washer at medium pressure to completely remove all cleaner and loosened contaminants from the surface.

Always rinse before the surface dries. Do not allow the cleaner to dry on the surface, as this can leave residue or cause uneven drying patterns.

Note temperature effects. Warmer temperatures, agitation, and longer dwell times enhance cleaning action; in cold temperatures, allow extended working time before rinsing.

Allow the surface to air dry completely. Once rinsing is complete, allow the convertible top to dry naturally in sunlight when possible.

Specifications

Product Type Spray-on, rinse-off convertible top and tonneau cleaner

Formulation Water-based cleaning formula

Material Compatibility Fabric and vinyl convertible tops, tonneau covers, soft tops, car bras

Contamination Targets Dirt, grime, stains, environmental build-up, oxidation

Application Method Spray-on with light agitation

Agitation Recommended Soft nylon brush, terry cloth rag, or sponge (light pressure only)

Dwell Time Standard Immediate rinse for routine cleaning

Dwell Time Extended 10–20 minutes for difficult stains

Temperature Consideration Warmer temperatures accelerate cleaning; cold temperatures require extended working time

Residue Profile None—rinses completely clean

Post-Cleaning Appearance Brightened, restored colour depth

Safety Profile Safe on fabric and vinyl without causing damage or discolouration

Climate Compatibility Effective in all weather conditions

HS Code 3401.20

Documents

Documents not available for this product.

FAQs

Can I use this cleaner on convertible tops that are heavily soiled or have mildew?

303 Tonneau Cover and Convertible Top Cleaner effectively removes dirt and stains. For mildew or fungal growth, heavier pre-treatment or extended dwell times (20+ minutes) may be necessary, or specialist mildew removers may be more appropriate.

Will this cleaner damage vinyl or cause discolouration?

No. The formula is specifically designed to be safe on vinyl without causing damage or discolouration. Test on an inconspicuous area first if the convertible top is particularly old or delicate.

How often should I clean my convertible top with 303?

Regular monthly cleaning during dry seasons helps prevent contaminant accumulation and extends surface lifespan. In areas with heavy environmental contamination (tree sap, industrial fallout), more frequent cleaning may be beneficial.

Do I need to apply protection or sealant after cleaning with 303?

303 Cleaner cleans surfaces without applying protective layers. For enhanced protection and UV shielding, dedicated convertible top protectants or sealants may be applied after cleaning and drying.

Product Product subtotal Quantity Price Product subtotal
303 Tonneau Cover and Convertible Top Cleaner30571518
303 Tonneau Cover and Convertible Top Cleaner30571518
£15.99/ea 		£0.00
Sold out
£15.99/ea £0.00