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YETI

YETI Rambler Jr. 12 oz Kids Bottle, with Straw Cap

  • Based on 35,687 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Sunday, Sep 7
Order within 20 hours and 4 minutes
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Color: Cosmic Lilac


Features

  • YETI kids need a bottle that can keep up. The YETI Rambler Jr. - a small-and-mighty kids bottle over-engineered for your little wild ones with a straw cap thats leakproof while closed
  • 18/8 STAINLESS STEEL - Made with kitchen-grade stainless steel, so theyre puncture and rust-resistant
  • DISHWASHER SAFE - Because no one needs more work to do
  • NO SWEAT DESIGN - Keeps their hands dry - critical when summiting the jungle gym, and the Duracoat color wont crack or peel
  • STRAW CAP Leakproof while closed & shatter-resistant ideal for impromptu rowdiness. Recess is no match for the Straw Cap

Brand: YETI


Capacity: 12 ounces


Color: Cosmic Lilac


Recommended Uses For Product: 1


Special Feature: Leakproof While Closed


Brand: ‎YETI


Capacity: ‎12 ounces


Color: ‎Cosmic Lilac


Recommended Uses For Product: ‎1


Special Feature: ‎Leakproof While Closed


Age Range (Description): ‎Kid


Product Dimensions: ‎3.25"W x 3"H


Model Name: ‎Rambler Jr.


Item Weight: ‎0.4 Kilograms


Material: ‎Stainless Steel


Number of Items: ‎1


Included Components: ‎Cap


Product Care Instructions: ‎Dishwasher Safe


Base Diameter: ‎3.25 Inches


Cap Type: ‎Straw Cap


With Lid: ‎Yes


Is Microwaveable: ‎No


UPC: ‎888830252475


Manufacturer: ‎YETI


Item Package Dimensions L x W x H: ‎10.16 x 4.69 x 3.62 inches


Package Weight: ‎0.46 Kilograms


Item Dimensions LxWxH: ‎3.25 x 3.25 x 3 inches


Brand Name: ‎YETI


Part Number: ‎21071501758


Size: ‎12 Ounces


Date First Available: July 17, 2023


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Sep 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Built like a tank, perfect for active kids (but a bit heavy)
Color: Big Sky Blue
We’ve gone through a lot of kids’ water bottles over the years, and the YETI Rambler Jr. is hands-down the toughest one we’ve owned. My kid has dropped it on pavement, tossed it in the car, and left it rolling around in a backpack, and it still looks and works like new. The insulation is top-tier: it keeps water ice-cold for hours, even on hot days at the park. The straw lid is genuinely leak-resistant when closed, which gives me peace of mind. (It’ll dribble a bit if left open and tipped, but that’s expected.) I also appreciate that it’s super easy to clean, dishwasher safe, and the straw disassembles without much fuss. The colors are vibrant and kid-friendly, and the handle makes it easy for little hands to carry. A couple of things to note: -> It’s heavier than a typical plastic bottle—something to consider if your kiddo prefers super lightweight gear. -> The straw has popped out a couple of times when refilling, but it’s easy to snap back in. Overall, it’s a great choice if you want a bottle that can survive serious kid use and still keep drinks cold all day. Worth the price for the quality and durability. Still need to keep an eye on the nooks and crannies for mild accumulation so I’d wash it every few days, maybe more in the summer. Easy enough to disassemble and clean though Would definitely buy again (and probably will once my younger one is old enough for one too). Update: make sure to check the interior of the cap unit for mold accumulation. Definitely think this should be washed multiple times per week. ... show more
Reviewed in the United States on July 1, 2025 by nahnahnahnah
    • Built to Survive Childhood!
Color: Papaya
The Yeti Rambler Jr. is hands down the best kids’ bottle we’ve used — and we’ve been through a lot. My child is notoriously rough on gear; most bottles don’t last more than a few weeks before they’re cracked, leaking, or completely unusable. Not this one. The Rambler Jr. is incredibly durable — it takes drops, throws, and all kinds of abuse without missing a beat. The stainless steel body is rock solid, and the double-wall insulation actually keeps drinks cold for hours, which is perfect for school or outdoor adventures. The flip straw lid is easy for little hands to open and close on their own, and it doesn’t leak, even when the bottle ends up sideways in a backpack. It’s also easy to clean — no weird crevices or annoying parts to scrub. Plus, it comes in fun colors that my kid loves. It’s a bit pricier than other bottles, but considering how many cheaper ones we’ve had to replace, this has absolutely been worth the investment. Highly recommended for any parent with a wild, bottle-destroying kid! ... show more
Reviewed in the United States on July 28, 2025 by Ayla
    • Keeps cold for hours
Color: Firefly Yellow
Love this simple, solid-color water bottle! The size is perfect for my child, it doesn’t leak, and it’s easy to clean. Durable and practical
Reviewed in the United States on August 9, 2025 by Melanie OBrien
    • Yeti quality for your toddler
Color: Black Forest Green
Perfect for our 2 year old grandson. Keeps water or juice cold for hours. Much better than a sippy cup.
Reviewed in the United States on August 4, 2025 by H.
    • Durable, stays cold long, leak proof
Color: Ultramarine Violet
Durable, leak proof, stays cold for extended periods, easy to open and close for a child, and super easy to clean. Love the handle at the top for easy carrying.
Reviewed in the United States on July 14, 2025 by Lizzie Hooker
    • Great cup for kids!
Color: Ultramarine Violet
Great cup for little hands! My nearly 2 year old and 3.5 year old love them. Ice and water stay cold for hours! Easy to clean, leak proof as long as the spout is down, and they are easy for my kids to use! The colors are vibrant which my kids love! Definitely recommend
Reviewed in the United States on July 18, 2025 by John
    • Got my moneys worth ✨
Color: Cosmic Lilac
Great value for your money. The bottle is leak resistance and is a great size for kids. Easy to open and very functional. Quality is sturdy and durable. No weird metal smell or taste. Would recommend this purchase
Reviewed in the United States on July 18, 2025 by Larissa
    • Well-Made & Does What Its Supposed to Do
Color: King Crab
Great thermos; easy to open, keeps water cold & fun color. Takes a beating (& some care) from its young kid owner, who can always identify his water bottle amongst everyones!
Reviewed in the United States on July 19, 2025 by Just Me

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