3M Scotchgard Clear Paint Protection Film 4 Inch
Priced as of May 27, 2026
4.4(80 ratings)Subscribe & Save: $12.90 (5% off)Buy on AmazonSaved to your guest loadout. Sign up to also save to your Cabinet (consumables) or Kit (tools you own).
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Prices may varyCarCareTruth's Analysis
Last reviewed May 27, 2026
TL;DR Material grade not disclosed — a meaningful gap because aliphatic and aromatic TPU have substantially different long-term durability. No self-healing claim. Bulk roll, 4 in x 48 in.
What it is and how it performs
An 8 mil polyurethane film with pressure-sensitive adhesive, distributed under the 3M Scotchgard label. The listing confirms polyurethane but does not disclose aliphatic vs. aromatic TPU — without that, yellowing risk cannot be projected. No self-healing claimed or confirmed. At 4 inches wide, coverage is limited to door sills, trim edges, leading hood strips, and decal overlays. No warranty stated. Community reviews (80, mostly 2015–2016) show clean optical results on installed sills; one reviewer notes slight transparency reduction vs. thinner films. Separating the film from its backing cleanly is the most common install challenge.
Who should buy this — and who should skip it
Right pick for narrow-panel DIY protection: door sills, HOV sticker overlays, bike rack contact points. Skip for full-panel work — 4 inches won't cover it. Skip if material grade transparency matters; a premium aliphatic TPU film with explicit specification and a warranty is the better choice for any long-term install.
Safety and environmental impact
No chemical exposure pathway from the film after install. Material grade uncertainty limits the lifecycle score; removed film has no consumer-facing recycling pathway in the US and typically lands in landfill.
From the manufacturer
Marketing copy from 3M, via Amazon. Not editorial.
- •3M Scotchgard surface protection film is virtually invisible once installed.
- •Clear polyurethane film is 8mil thick with adhesive backing.
- •Product applied to reduce paint chips and bug damage.
- •Keeps your car's paint looking newer, longer.
- •Step by step installation instructions available online.
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Manufacturer images
Manufacturer specifications
- Manufacturer
- Car Protection Pros
- Brand
- Car Protection Pros
- Item Weight
- 1.76 ounces
- Package Dimensions
- 4.17 x 1.42 x 1.34 inches
- Item model number
- 8542146218
- Is Discontinued By Manufacturer
- No
- Manufacturer Part Number
- CP_BULK0448
- ASIN
- B00U0J6MM6
- Customer Reviews
- 4.4 4.4 out of 5 stars (80) 4.4 out of 5 stars
- Best Sellers Rank
- #151,061 in Automotive (See Top 100 in Automotive) #85 in Protective Shields
- Date First Available
- January 20, 2013
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Top Amazon review
↗External — Amazon's most-helpful review for context.
Perfect to protect your HOV stickers!
We own a Chevy Volt electric car. Our HOV lane stickers were starting to peel off. This was the perfect solution to keep them on. Also, as added safety to keep them from getting stolen. HOV stickers are very expensive and a real pain to get replaced.My advice is as soon as you get the HOV stickers, put this protective coating over them. Also, put the stickers on the car paint, not on the plastic. This 3M product holds well on plastic, but the HOV stickers will peel off after a few years.There is enough on this roll to do all 4 stickers, plus and extra if you mess up for some reason.I used the extra to cover a delicate white decal on the back of my car, and it worked great for that too.