Verdict overview
- Simple to use 9.6
- Long life 8.6
- Simple to take off 8.6
- Water tight 9.4
Pros
Safe for fabrics
Protects against stains
Residue free
Cons
Inconsistent coverage.
Tech specs
product dimensions | 5 x 7 x 11 inches |
item weight | 6.73 pounds |
special features | PROVIDES STAIN RESISTANCE This powerful, unscented protectant can be used to rejuvenate your fabric's shield against frustrating spots and stains. Simple and easy to use, 303 Marine Fabric Guard helps protect against water-based stains. While drying invisible, using this product will assist in keeping your fabric color to stay vibrant and spotless., RESTORES WATER REPELLENCY Recommended by Sunbrella, a leading outdoor fabric manufacturer, 303 Marine Fabric Guard restores lost water and stain repellency to factory new levels when applied to clean and dry fabrics. This product will leave behind a protective coating which is an active defense against all spills and stains., VERSATILE Our gallon refill container is perfect to keep on hand for larger projects, and it does not alter fabric color, feel, flammability, or breathability, and it is safe for use on all fabrics, as well as synthetic and natural fibers, including upholstery, cushions, umbrellas, life jackets, suede, canvas, and several other marine fabrics. Coverage: The gallon of 303 Marine Fabric Guard covers 320 600 square feet depending on material and application method., DIRECTIONS Use product outdoors only, in supplied packaging. Spray product onto fabric until evenly wet, overlapping areas in a crisscross pattern, and let dry. Do not oversaturate. Treated material must be protected from rain/dew until completely cured. Cure Time: 12 24 hours dependent on temperature. If these steps are performed correctly, the material will be water repellent at this point. Re-application will be as needed, depending on fabric exposure to sunlight and weather conditions., SHELF LIFE All 303 Products are good for use up to 2 years from the bottle fill date which can be found as a Julian Date being a 5-digit number on the back of the bottle and is read as YYDDD. YY indicates the last two digits of the year of production, and DDD represents the number of the day of that year of production. Proudly made in the USA by a family-owned company in Chicago, Illinois. |
manufacturer part number | 30674 |
customer reviews | 4.6 out of 5 stars 2,089 4.6 out of 5 stars |
model | 30674 |

Product Overview
I recently had the opportunity to try out 303 Products Marine Fabric Guard for a large project I was working on. After doing some research into fabric protectants, I decided that this product was going to be the best option for my project. I am so glad that I chose 303 Marine Fabric Guard because it exceeded all of my expectations!
The first thing that stood out to me about this product was its ease of use. It comes in a spray bottle, and all I had to do was spray it onto the fabric until it was evenly wet and then let it dry. It dried completely clear and residue free, which is something that is always important when dealing with delicate fabrics like those used in outdoor furniture. The product s directions were also incredibly simple and straightforward, making it a breeze to apply.
Another great feature of 303 Marine Fabric Guard is its water resistance. This powerful, unscented protectant provide a strong barrier against water based stains, helping keep your fabric looking vibrant and spotless. It also helps restore lost water and stain repellency to levels near when the fabric was new, giving you long lasting protection against the elements.

The longevity of 303 Marine Fabric Guard is also impressive it can last up to 5 years after the date of manufacturing if unopened, and up to 2 years after the date of opening. This is perfect for larger projects as you don t have to worry about re applying the product every few months or so like some other products require.
Overall, I highly recommend 303 Products Marine Fabric Guard for anyone looking for an easy to use fabric protectant that will provide long lasting protection against stains and water damage. This product is ideal for outdoor furniture, umbrellas, life jackets, sails, and other marine fabrics due to its powerful protective coating that doesn t alter color or feel of the material. The fact that this product can last up to 5 years unopened makes it even more appealing since you don t have to worry about reapplication all that often. If you re looking for an effective way to keep your outdoor fabrics looking good as new for years to come then look no further than 303 Products Marine Fabric Guard!
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