--- title: "trailer registration holder waterproof — Niche Verdict: Skip it (50/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/trailer-registration-holder-waterproof" last_updated: "2026-07-10T20:18:43.154Z" locale: en meta: description: "a small market ($145K/yr) — trailer registration holder waterproof doesn't clear our bar today." "og:description": "a small market ($145K/yr) — trailer registration holder waterproof doesn't clear our bar today." "og:title": "trailer registration holder waterproof — Niche Verdict: Skip it (50/100) | Amazon United States - Flapen" --- Back to Flapen home # **trailer registration holder waterproof** **Skip it****50/100 ** a small market ($145K/yr) — trailer registration holder waterproof doesn't clear our bar today. **Market/yr** **$145K** **Growth (1y)** **+216.1%** **Products** **25** **Brands** **12** was 15 a year ago **Sellers** **58** **Price range** **$9.96–$65.48** **Returns** **0.5%** **Rating** **4.7★** **Skip it** Scored 50/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **7** ×0.30 Growth **79** ×0.30 Competition **62** ×0.20 Quality gap **22** ×0.10 Returns **96** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +216.1% year over year. 2K1KSpike '24Black Friday '24Spike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Mar, Apr, May · busiest ÷ quietest = 2.7× ## **Competition** - Cabtherlyn37% - Buyers Products Company18% - Truck-Lite15% - Mytee Products7% - Road King Truck Parts5% - CANOPUS5% - Other (6 brands)13% The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them. 12 brands and 58 sellers compete here. **Brands** **12 **▼falling was 15 a year ago **Sellers** **58** **Top 5 brand share** **82%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Cabtherlyn Truck and Trailer Twist Lock Document Holder with Wire Attached Cover ABS Plastic Document Holder Kit (Opaque Gray) (4 PACK)](https://m.media-amazon.com/images/I/41Bf5PQxmfL.jpg) [**Cabtherlyn Truck and Trailer Twist Lock Document Holder with Wire Attached Cover ABS Plastic Document Holder Kit (Opaque Gray) (4 PACK)**](https://www.amazon.com/dp/B0CYZHG5G3) Cabtherlyn$36.314.8★7718%▲rising 2 ![TRK-LITE/SIGNAL STAT Document Hold](https://m.media-amazon.com/images/I/41mR-nktDfL.jpg) [**TRK-LITE/SIGNAL STAT Document Hold**](https://www.amazon.com/dp/B0025WU1GY) Truck-Lite$10.024.6★8413%▼falling 3 ![Buyers Products 5201101 Document Holder Kit with Clear Cover Security Box for Truck and Trailer Registration & Insurance Card Holder - Twist-on Cover Corrosion UV Resistant & Waterproof Dry Box](https://m.media-amazon.com/images/I/41HDDSqzDLL.jpg) [**Buyers Products 5201101 Document Holder Kit with Clear Cover Security Box for Truck and Trailer Registration & Insurance Card Holder - Twist-on Cover Corrosion UV Resistant & Waterproof Dry Box**](https://www.amazon.com/dp/B07GKVKV5W) Buyers Products Company$11.054.7★7897%▼falling 4 ![Mytee Products (4 Pack Trailer Document Holder Kit with Clear Cover for Truck & Trailer Registration Insurance - Trailer Registration Card Holder - Impact Rust & Water Resistant](https://m.media-amazon.com/images/I/41DMRQ4eosL.jpg) [**Mytee Products (4 Pack Trailer Document Holder Kit with Clear Cover for Truck & Trailer Registration Insurance - Trailer Registration Card Holder - Impact Rust & Water Resistant**](https://www.amazon.com/dp/B0CPPXY674) Mytee Products$36.234.7★815%▼falling 5 ![Trailer Document Holder Waterproof Registration Card Box with End Caps for Truck Trailers Body Auto Vehicle Tractor Insurance Aluminum 1-5/8 x 9-7/16 Tube Style (8 Pack)](https://m.media-amazon.com/images/I/41VBDcdexwL.jpg) [**Trailer Document Holder Waterproof Registration Card Box with End Caps for Truck Trailers Body Auto Vehicle Tractor Insurance Aluminum 1-5/8 x 9-7/16 Tube Style (8 Pack)**](https://www.amazon.com/dp/B0CC5S96DQ) Cabtherlyn$65.194.8★475%—flat 6 ![Cabtherlyn Trailer Document Holder Waterproof Registration Card Box with End Caps for Truck Trailers Body Auto Vehicle Tractor Insurance Aluminum 1-5/8 x 9-7/16 Tube Style (4 Pack)](https://m.media-amazon.com/images/I/418OKlZBLuL.jpg) [**Cabtherlyn Trailer Document Holder Waterproof Registration Card Box with End Caps for Truck Trailers Body Auto Vehicle Tractor Insurance Aluminum 1-5/8 x 9-7/16 Tube Style (4 Pack)**](https://www.amazon.com/dp/B0CC5X34FK) Cabtherlyn$38.144.8★475%▲rising 7 ![CANOPUS Auto Accessory Document Holder 2 Pack (Black PVC Portable EZ Pass Compatible)](https://m.media-amazon.com/images/I/51rDra2kgJS.jpg) [**CANOPUS Auto Accessory Document Holder 2 Pack (Black PVC Portable EZ Pass Compatible)**](https://www.amazon.com/dp/B08YJDQ7J1) CANOPUS$9.964.7★3,0015%▲rising 8 ![Buyers Products 5201104 Black Poly Document & Registration Holder for Trucks & Trailer 3.5 Inch Diameter Twist-Off Lid Built in Mounting Feet Protects Against the Elements Easy Installation](https://m.media-amazon.com/images/I/31uOsCt0Q5L.jpg) [**Buyers Products 5201104 Black Poly Document & Registration Holder for Trucks & Trailer 3.5 Inch Diameter Twist-Off Lid Built in Mounting Feet Protects Against the Elements Easy Installation**](https://www.amazon.com/dp/B0F3JWR1VY) Buyers Products Company$17.514.6★764%▼falling 9 ![Cabtherlyn Truck and Trailer Twist Lock Document Holder with Wire Attached Cover ABS Plastic Document Holder Kit (Opaque Gray) (2 PACK)](https://m.media-amazon.com/images/I/41DF6IXalIL.jpg) [**Cabtherlyn Truck and Trailer Twist Lock Document Holder with Wire Attached Cover ABS Plastic Document Holder Kit (Opaque Gray) (2 PACK)**](https://www.amazon.com/dp/B0CYZJX37F) Cabtherlyn$20.184.8★774%▲rising 10 ![ROAD SUPERIOR TRUCK PARTS Twist Lock Document Registration Certificate Holder](https://m.media-amazon.com/images/I/31ZI9cVV6mL.jpg) [**ROAD SUPERIOR TRUCK PARTS Twist Lock Document Registration Certificate Holder**](https://www.amazon.com/dp/B0D98PXGDH) ROAD SUPERIOR TRUCK PARTS$10.984.4★134%▲rising 11 ![Buyers Products 5201102 2 Inch Document & Registration Holder Black Poly Cylinder with Twist-Off Cap Weatherproof Storage Tube for Truck and Trailer Permits Semi Truck and Work Vehicle Accessories](https://m.media-amazon.com/images/I/31SZGs9sy+L.jpg) [**Buyers Products 5201102 2 Inch Document & Registration Holder Black Poly Cylinder with Twist-Off Cap Weatherproof Storage Tube for Truck and Trailer Permits Semi Truck and Work Vehicle Accessories**](https://www.amazon.com/dp/B0F3JRMZ98) Buyers Products Company$15.214.6★764%—flat 12 ![GearTrust Trailer Document Holder Aluminum Tube Style Trailer Registration Holder Waterproof Registration Card Box Insurance with End Caps and Spare Caps for Trailer and Truck(2 Pack)](https://m.media-amazon.com/images/I/41wGFGiEQxL.jpg) [**GearTrust Trailer Document Holder Aluminum Tube Style Trailer Registration Holder Waterproof Registration Card Box Insurance with End Caps and Spare Caps for Trailer and Truck(2 Pack)**](https://www.amazon.com/dp/B0D32RYQHK) GearTrust$28.054.8★304%▼falling 13 ![ROAD KING PLASTIC TRUCK AND TRAILER TWIST LOCK DOCUMENT HOLDER WITH WIRE ATTACHED COVER](https://m.media-amazon.com/images/I/41lhiwimM0L.jpg) [**ROAD KING PLASTIC TRUCK AND TRAILER TWIST LOCK DOCUMENT HOLDER WITH WIRE ATTACHED COVER**](https://www.amazon.com/dp/B074YZ5CG7) Road King Truck Parts$11.854.8★4274%—flat 14 ![Cabtherlyn Truck and Trailer Twist Lock Document Holder with Wire Attached Cover ABS Plastic Document Holder Kit (Opaque Gray) (8 PACK)](https://m.media-amazon.com/images/I/41-1qJmhdqL.jpg) [**Cabtherlyn Truck and Trailer Twist Lock Document Holder with Wire Attached Cover ABS Plastic Document Holder Kit (Opaque Gray) (8 PACK)**](https://www.amazon.com/dp/B0DB8B7L86) Cabtherlyn$65.484.8★773%▲rising 15 ![Buyers Products 5201100 Stainless Steel Vehicle Document Holder with Rubber End Caps for Semi Trucks Tractor Trailers and Work Trucks Keeps Manifests Secure Dry and Accessible Documents](https://m.media-amazon.com/images/I/31n2DF5qjEL.jpg) [**Buyers Products 5201100 Stainless Steel Vehicle Document Holder with Rubber End Caps for Semi Trucks Tractor Trailers and Work Trucks Keeps Manifests Secure Dry and Accessible Documents**](https://www.amazon.com/dp/B00G1QEBRU) Buyers Products Company$14.844.5★2422%▲rising **~~Showing 15 of 25 — show all ~~** ## **Product shelf** All 25 tracked products in this niche. Top sellersNewestTrending [![Cabtherlyn Truck and Trailer Twist Lock Document Holder with Wire Attached Cover ABS Plastic Document Holder Kit (Opaque Gray) (4 PACK)](https://m.media-amazon.com/images/I/41Bf5PQxmfL.jpg)**Cabtherlyn Truck and Trailer Twist Lock Document Holder with Wire Attached Cover ABS Plastic Document Holder Kit (Opaque Gray) (4 PACK)** Cabtherlyn**$36.31**4.8★77 reviews](https://www.amazon.com/dp/B0CYZHG5G3) [![TRK-LITE/SIGNAL STAT Document Hold](https://m.media-amazon.com/images/I/41mR-nktDfL.jpg)**TRK-LITE/SIGNAL STAT Document Hold** Truck-Lite**$10.02**4.6★84 reviews](https://www.amazon.com/dp/B0025WU1GY) [![Buyers Products 5201101 Document Holder Kit with Clear Cover Security Box for Truck and Trailer Registration & Insurance Card Holder - Twist-on Cover Corrosion UV Resistant & Waterproof Dry Box](https://m.media-amazon.com/images/I/41HDDSqzDLL.jpg)**Buyers Products 5201101 Document Holder Kit with Clear Cover Security Box for Truck and Trailer Registration & Insurance Card Holder - Twist-on Cover Corrosion UV Resistant & Waterproof Dry Box** Buyers Products Company**$11.05**4.7★789 reviews](https://www.amazon.com/dp/B07GKVKV5W) [![Mytee Products (4 Pack Trailer Document Holder Kit with Clear Cover for Truck & Trailer Registration Insurance - Trailer Registration Card Holder - Impact Rust & Water Resistant](https://m.media-amazon.com/images/I/41DMRQ4eosL.jpg)**Mytee Products (4 Pack Trailer Document Holder Kit with Clear Cover for Truck & Trailer Registration Insurance - Trailer Registration Card Holder - Impact Rust & Water Resistant** Mytee Products**$36.23**4.7★81 reviews](https://www.amazon.com/dp/B0CPPXY674) [![Trailer Document Holder Waterproof Registration Card Box with End Caps for Truck Trailers Body Auto Vehicle Tractor Insurance Aluminum 1-5/8 x 9-7/16 Tube Style (8 Pack)](https://m.media-amazon.com/images/I/41VBDcdexwL.jpg)**Trailer Document Holder Waterproof Registration Card Box with End Caps for Truck Trailers Body Auto Vehicle Tractor Insurance Aluminum 1-5/8 x 9-7/16 Tube Style (8 Pack)** Cabtherlyn**$65.19**4.8★47 reviews](https://www.amazon.com/dp/B0CC5S96DQ) [![Cabtherlyn Trailer Document Holder Waterproof Registration Card Box with End Caps for Truck Trailers Body Auto Vehicle Tractor Insurance Aluminum 1-5/8 x 9-7/16 Tube Style (4 Pack)](https://m.media-amazon.com/images/I/418OKlZBLuL.jpg)**Cabtherlyn Trailer Document Holder Waterproof Registration Card Box with End Caps for Truck Trailers Body Auto Vehicle Tractor Insurance Aluminum 1-5/8 x 9-7/16 Tube Style (4 Pack)** Cabtherlyn**$38.14**4.8★47 reviews](https://www.amazon.com/dp/B0CC5X34FK) [![CANOPUS Auto Accessory Document Holder 2 Pack (Black PVC Portable EZ Pass Compatible)](https://m.media-amazon.com/images/I/51rDra2kgJS.jpg)**CANOPUS Auto Accessory Document Holder 2 Pack (Black PVC Portable EZ Pass Compatible)** CANOPUS**$9.96**4.7★3,001 reviews](https://www.amazon.com/dp/B08YJDQ7J1) [![Buyers Products 5201104 Black Poly Document & Registration Holder for Trucks & Trailer 3.5 Inch Diameter Twist-Off Lid Built in Mounting Feet Protects Against the Elements Easy Installation](https://m.media-amazon.com/images/I/31uOsCt0Q5L.jpg)**Buyers Products 5201104 Black Poly Document & Registration Holder for Trucks & Trailer 3.5 Inch Diameter Twist-Off Lid Built in Mounting Feet Protects Against the Elements Easy Installation** Buyers Products Company**$17.51**4.6★76 reviews](https://www.amazon.com/dp/B0F3JWR1VY) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Quality-Overall**25% *“They are well built”* **Assembly/Installation**14% *“Easy to install”* **Efficiency**10% *“Works good”* **Water Resistance**8% *“Water tight and easily accessible”* **Advertised Vs Actual Product**8% *“Worked as they were advertised”* **Strength**7% *“They are sturdy and install easy”* **Value For Money**7% *“low price”* **Size-Overall**6% *“Yes it fit perfectly under the basket on my golf cart to hold my road ready paper work”* **Mounting**5% *“easy mounting good quality”* **Durability**3% *“its not coming apart”* ### **What buyers complain about ** **Size-Overall**20% *“These are gigantic and won't fit”* **Durability**13% *“Broke handle on second start”* **Advertised Vs Actual Product**13% *“this is not a 30 pack like advertised”* **Assembly/Installation**6% *“It required a bit of attempted starts to finally align correctly”* **Strength**6% *“I doubt this will hold up to any accidents”* **Metal Quality**6% *“Very thin metal”* **Ease Of Use**4% *“You have to pull really hard to remove it”* #### **Top return reasons**- Size-Overall80% - Compatibility-Overall4% - Mounting3% - Width3% - Advertised Vs Actual Product2% - Mechanism Issues1% - Functionality-Overall1% - Quality-Overall1% - Add-Ons/Attachments1% - Shape/Style1%