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Ships within 48 hours · Estimated delivery Jul 2 - Jul 7
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Description
britax marathon convert to booster Britax Grow With You Harness Booster Car SeatGrow With You harness 2 booster car seat grows with your child from toddler to big kid. Its made with premium fabrics and padding for superior comfort and style. Installing the seat is simple using the premium, quick push LATCH connectors. 2 layers of side impact protection surround the head, neck & torso. Plus, SafeCell Technology in the base acts as a crumple zone to help absorb crash energy. Quickly adjust the 9 position harness & headrest using
Grow With You™ harness-2-booster car seat grows with your child from toddler to big kid. It’s made with premium fabrics and padding for superior comfort and style. Installing the seat is simple using the premium, quick-push LATCH connectors. 2 layers of side impact protection surround the head, neck & torso. Plus, SafeCell Technology in the base acts as a crumple zone to help absorb crash energy.
Quickly adjust the 9-position harness & headrest using just one hand for the proper fit as your child grows. Once they’re ready to use the seat belt, the 5-point harness tucks away, transitioning to a belt-positioning booster. Color-coded guides help you and your child route the seat belt through the right paths. With arm rests, cup holders and harness comfort pads, even big kids enjoy the ride.
Features:
- Harness mode 25lbs - 65 lbs; Booster mode 40 lbs -120 lbs.
- Stylish, soft-knit fabrics look great in your backseat.
- SafeCell Technology acts as a crumple zone, helping to absorb crash energy.
- Industrial strength steel frame reinforces the seat structure to help keep it stabilized.
- V-shaped tether with staged-release stitches helps slow and reduce forward movement during a crash.
- 2 Layers of Side Impact Protection: Energy-absorbing shell and foam-lined headrest protect your child’s head, neck, and torso.
- Premium, quick-push LATCH connectors for simple, secure installation.
- 9-position, quick-adjust harness & headrest move together using one hand for the proper fit as your child grows.
- 2-position buckle can be moved outward to accommodate your growing child.
- 2 recline positions help you find the most comfortable fit for your child and the best fit for your vehicle.
- 4 cup and snack holders keep drinks, snacks, and toys within reach.
- Harness comfort pads keep your child’s neck from rubbing against the harness strap.
- Nap-friendly padding & fabrics for superior comfort and a quiet ride.
- Color-coded belt guides make it easy for you and your child to route the seat belt through the right paths.
- Easy-to-remove cover for cleaning without uninstalling the car seat or removing the harness.
- Flip-forward buckle stays out of the way for easy boarding.
- Easy-to-clean arm rests help your child ride comfortably.
- Proudly designed, tested and built in the USA with US and global components for safety and quality.
Specifications:
- Product Dimensions: 21" L x 19" W x 25" H
- Car Seat Weight: 23 lbs
- Child Weight Capacity:
- Harness mode 25–65 lbs
- Booster mode 40–120 lbs
- Child Height Capacity: Up to 63"
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 2356 reviews
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Product Reviews
★★★★★ 1
No returns and no support. If it doesn't work properly, too bad.
Style: Printer & Inks, Style: Printer & Inks
I was fairly happy with my Epson ET 2800, but was told that I'd get better colors with the F170. So I bit the bullet.
The installation went smoothly and I was printing in short order. It was when I started printing items that had some dark gray that I noticed the problem. It was printing green. I contacted Epson tech support and they answered the phone almost immediately. (And how rare is that??)
The woman I spoke with seemed to be familiar with the problem and advised me to modify the printer preferences and change the color correction from "ICM" to "No color correction". Well, it wasn't printing green anymore. Now the grays were brown. At this point, she ran out of ideas and gave me an email address for the second level of tech support and asked if I'd send a photo of the printed fabrics showing the problem. I did. That was over three weeks ago. I've sent a couple of followup emails, but they're ignoring me.
But the best news was discovering that there are no returns on this product. I didn't think that was a thing with Amazon and I've never had any problems before. So now the 30-day return window is about to elapse and it appears that I'm stuck with an oversized doorstop.
In the photo I'm including with this review, the fabric on the upper-left was printed with my Epson ET 2800. On the upper right, the F170 with ICM color correction. On the bottom, the F170 with no color correction.
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Reviewed in the United States on August 12, 2025
★★★★★ 5
Epson SureColor F170 Sublimation Printer Rocks!
Style: Printer & Inks, Style: Printer & Inks
TI’m a newbie at sublimation, and this is my first sublimation printer. I love it! I can’t wait to make more things! I like that it’s not too large, but still can print up to 8.5x14”. The quality seems to be really good, but I also don’t have any other printer to compare it to. This was my very first project! I’m very happy with it so far!
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Reviewed in the United States on May 22, 2026
★★★★★ 5
My Go-To Sublimation Paper — Flawless Results Every Time
Size: 8.5"x11", Size: 8.5"x11"
This is hands down the best sublimation paper I’ve used and the only one I continue to buy. I get a perfect transfer every single time—no fracturing, no fading, and no uneven results. The paper dries fast, which makes my workflow so much smoother, especially when I’m producing items in batches.
I use this regularly to make air fresheners and tote bags for my small business, and the color payoff is always vibrant and crisp. The transfer rate is excellent, and it works beautifully on light-colored, high-quality polyester and other sublimation-ready surfaces.
If you’re a small business owner or crafter who values consistency, quality, and ease of use, this paper is absolutely worth it. I highly recommend it and will continue to repurchase.
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Reviewed in the United States on January 24, 2026
★★★★★ 5
Best Sublimation Paper
Size: 8.5"x11"
I’ve been using A-Sub paper for my sublimation projects, and it is easily one of the best. The ink dries almost instantly once printed, so I don’t have to worry about smudging the design or getting those annoying "pizza wheel" marks from the printer rollers. The paper itself feels substantial and doesn't tear or curl easily. One of the biggest wins for me is that it never jams; it feeds through perfectly every time, saving me the frustration of wasting expensive ink and paper.
When I go to press my designs, the ink releases almost completely, leaving very little behind on the paper and putting all that color onto the project. The final results look super professional, with colors that are vibrant and sharp rather than looking faded or dull. It has worked perfectly for everything I’ve tried so far, and if you want a reliable paper that gives you consistent, high-quality results, this is definitely the one to get.
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Reviewed in the United States on February 25, 2026
★★★★★ 5
Ideal for sublimation beginners.
Size: 8.5"x11"
Asub sublimation paper has been excellent for my projects. The ink transfer is very good, the colors are vibrant and defined, and it dries quickly. It has helped me achieve clean and professional results, even as a beginner. Without a doubt, it's a reliable, high-quality paper for sublimation.
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Reviewed in the United States on February 15, 2026