Nuna DEMI Next Sibling Seat
Nuna DEMI Next Sibling Seat
Qualifies for FREE SHIPPING
Arrives between 03/21/26 and 03/26/26
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Did your plus-one just become two? When love multiplies, the DEMI Next Sibling Seat helps you reach your next level of adventure. It adds extra seating options to your DEMI Next Stroller, meeting you on your level and accommodating your shifting needs.
The DEMI Next system is crafted to grow with possibilities, provide options, and have everything you need plus everything you didn’t know you needed. It’s a lifestyle that empowers you to choose your own path, your own pace, and your own preferences. It’s the ultimate accessory for modern family living that’s designed to grow with next-level possibilities.
Features
- Connects easily to the DEMI Next Stroller frame in the top or lower position and becomes a duplicate of the main seat
- Roomy enough to provide a comfy place all their own
- Forward and rear-facing seat options
- Self-guiding MagneTech secure snap™ buckles automatically lock into place
- All-season seat keeps baby cozy in winter and easily converts to mesh in summer
- Four recline positions easily adjust with just one hand
- One-hand adjustable calf support and footrest to accommodate growth
- Simple install in lower basket area with no adapters needed
- Quick-release 3 to 5-point harness makes it easy to fasten them in
- Water-repellent UPF 50+ Aire protect canopy™ protects from the elements
- No-rethread harness makes it easy to adjust for comfort and growth
- Included rain cover for when the weather doesn't cooperate
- Integrated footrest on seat for added comfort
- Rotating and removable armbar fits kids of all sizes
- Easily removable Merino wool insert provides ultra-soft comfort
- Built-in privacy drape and ventilation panels in the canopy for ideal airflow
Weight Capacity
- Weight: Birth to 50 lbs
- Height: 45"
- When using the stroller frame with the bassinet or infant carrier, refer to the child usage requirements listed in those instruction manuals.
Weight and Dimensions
- Weight: 10 lbs
- Dimensions: 36.5"H x 9"L x 16.5"W
Why Trust The Baby Cubby?
Why Trust The Baby Cubby?
Thousands of parents have trusted us for over 11 years. Here's why you can shop confidently with The Baby Cubby.
1. 11+ Years in business & two brick & mortar stores with consistent positive reviews. See our store here
2. We've helped over 100,000 families find products they love and trust
3. Price match guarantee + Free Shipping
4. Curated products and tested gear - we spend hundreds of hours training and learning so you don't have to.
5. Gear Experts - our team has created hundreds of how to's and product videos that have over 21 million views. We know gear and are here to help answer your questions.
6. Over 400k parents trust us on Instagram & social media for parenting, product tips and more.
7. Love your stroller guarantee - If you don't love it, return it within 60 days, even if used.
8. CPST's - more child passenger safety technician's on staff than any other specialty baby retailer in the USA. Be confident your child is safe in their seat.
9. Incredible service - we're parents too, you deserve to be treated like a person, not a dollar sign.
10. We've been featured by multiple news outlets and even by Google over the years, check out some of the press we've received here
11. Family owned & operated small business. When you shop with us you are supporting a small business that cares about its team members.
12. Nothing matters more than family, let us help your family find products you love and trust.
Shipping & Returns
Shipping & Returns
Free Shipping
Free shipping applies to standard shipping orders over $95 within the continental US. Unfortunately, orders shipping to Alaska, Hawaii, Puerto Rico, or APO/FPO addresses do not qualify for free shipping.
Shipping Rates
Free 5-7 day shipping is available on every order over $95 (excluding taxes and shipping fees) in the continental US. If you need expedited shipping, the cost will depend on your location and how quickly you want it shipped. You can get a shipping quote in your cart at checkout.
Shipping Timeline
For standard shipping, FedEx and USPS take 5-7 business days to deliver your order.
Returns
To start a return click HERE
Returns are accepted within 30 days if items have attached tags, original packaging, and can be sold as new.
The following items are final sale: car seats, blessing outfits, DockATots, Owlet products, teethers, pacifiers, sippy cups, bottles, crib mattresses, displays, and clearance items. Proof of purchase is required for returns. Refunds will be given by the original payment method.
For more information, see our complete return policy here.
Rewards
Rewards
Earn 5% back on every purchase with our Cubby Rewards!
Best Price Guarantee
Best Price Guarantee
The product must be the exact same color/style/size and be in stock on competitor’s website. Unfortunately, we cannot price match auction-based websites and the seller must be an authorized distributor of the brand. Some brands and manufacturers are excluded from our price match policy.

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when items are purchased at full retail price and the
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not eligible for price adjustments.
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