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Key Features
- Prevents mold and mildew, giving your fabrics a longer, fuller life
- Resists soils and stain, keeping your outdoor furniture pristine
- Protects fabrics from fading by helping them maintain colorfastness
- These products are recommended by Sunbrella Fabrics and are suitable for any outdoor fabric
Legal disclaimers and warnings
Product packaging, owners’ manuals, installation instructions, and/or operating instructions may include more information than what is shown on our website. The content on our site is intended to be used for reference purposes only. Please fully read all included manuals and documentation before installing or using this product. WARNING for California residents: this product may contain chemical(s) known to the state of California to cause birth defects, cancer, or other reproductive harm.
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Customer Reviews
So far, so good. Didn't give it 5 stars as not enough time has gone by to make sure it works as advertised. But, went on easily and noticed immediately that the water beaded up again on the Sunbrella fabric we used it on.
1 user found this review helpful
Great stuff. I've used it before on a pop-up canopy, and it worked great. Got more for a gazebo canopy and outdoor furniture.
Easy to use, works great, perfect way to protect your outdoor cushions
I now use 303 Marine products exclusively on my 26' Regulator Center Console. .
The 303 Fabric Guard did what I was hoping for. My outdoor Sunbrella covered patio cushions.had lost their ability to repel water after cleaning the cushions a few times. After spraying the cushions outside following the directions, I brought them inside to dry overnight. Now, rain water rolls right off. I think if I spray the cushions once per year, it will help the staining I get from the elements.
Excellent product with many uses. Soak the wipers from my car with 303. Prevents streaking and prolongs the use. Also use on my tonneau cover. Cleans and shines many other automotive and household items. Easy to use and a lite coating is all that is needed for outstanding results.
1 user found this review helpful
Learned of 303 Aerospace when researching dry rot after 5 yr old tires (car not garaged) wouldn't pass inspection because of cracks in the treads. Numerous more knowledgeable sites I found recommended 303 and talked about how many of the well known silicone products were actually bad for rubber and some could accelerate dry rot. I don't use the silicone products because hate the slick, shiny, greasy-feeling surface they leave. 303 leaves a surface finish that looks rich, conditioned, not shiny, newer than before. I've used on car tires, plastic/vinyl car trim, plastic planters, plastic outdoor chairs, certain painted lawn decor. After use, surfaces are much easier to clean, ex. used to have to use mild abrasive cleanser to get marks off plastic lawn chairs. UV protection important for outdoor plastics and rubber. Wish could find 303 in local stores, will keep sending away for in the meantime.
1 user found this review helpful
I have a 1992 Saab 900T convertible. It was perfect til I spent a little over 2 years in Georgia. The last year there 2016 Augusta set a record for highest temperatures recorded. We had 19 days of 95 degs and 4 days with temps at 104. Needless to say that wasn't good for my rag top. Started using it while there and still have to use now. It works, don't know for how long. Can't find anyone who will tackle replacing it. To expensive anyhow, for a 28 yr old.

1 user found this review helpful
Recently purchased this product to help protect some patio furniture. Easy to apply, so far am pleased with protection being offered.
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Shipping & Returns
Free Shipping on orders over $49
Ship your entire order to your home for free, especially the big stuff!
*Continental US only
When will my item arrive?
Once shipped, items usually arrive within 3-5 business days. While UPS and FedEx are our carriers for smaller items, be aware that larger items and orders are shipped via freight. The freight process is a bit more complicated than what we've all come to expect for small parcels, so it's important that you're prepared and understand what's required of you well before delivery day.
- Most freight products ship on a pallet
- Some carriers will call to schedule a delivery window, while others will deliver the shipment to a reasonably accessible location closest to your residence (their goal is to deliver as near a garage door as they can).
- We'll specify which process you can expect in your shipping confirmation email.
For carriers that schedule delivery appointments:
Carriers that schedule delivery appointments require you to be home for delivery and provide your signature. The delivery is made with a semi-truck with lift gate services, and the shipment is dropped off at the curb. If you authorize the shipping company to leave the delivery without a signature, BBQGuys can't be held responsible for damages that occur during delivery. As complicated as this process may seem, we've only scratched the surface here — please review our detailed guide to freight delivery so there are no surprises when a freight shipment heads your way.
For carriers that deliver without an appointment:
Carriers that deliver without an appointment don't require you to be home or set up a delivery window, and you aren't required to sign for the pallet(s). Instead of scheduling an appointment, arranging your schedule to be home for the delivery, and signing to confirm receipt, you can sit back and let your items come to you. If you're home at the time of the drop-off, you can request the driver place your delivery in the garage; if you're out of the house, the driver will leave it near the garage or doorstep.
This item leaves our warehouse within 24 Hours
$49 Flat-Rate Shipping
Anything under $49 ships at one low price. If your order increases, your shipping stays the same!
30-Day Returns
Return all new, unused, and unassembled items in their original packaging, and we'll give you a full refund minus the cost of the original AND return shipping.
No Restocking Fee
Most companies charge a restocking fee. We just don't do business that way.
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