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Juni Postural Chair by Smirthwaite - Adjustable Kids Seating
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Product Details
Juni Postural Chair by Smirthwaite – Adjustable Pediatric Support Seating
The Juni Postural Chair by Smirthwaite is a bright, highly adjustable pediatric chair for children who need minimal postural support during learning, play, and everyday seated routines. With a contoured seat and back, built-in lumbar support, a reclining backrest, and adjustments that grow with the child, the Juni gives families, therapists, and schools supportive seating that feels welcoming rather than clinical.
At Independent Living Superstore, we see the Juni as the perfect bridge between simple classroom seating and more structured postural chairs. It offers real adjustability and positioning support while keeping a friendly, compact design that fits naturally into inclusive classrooms, nurseries, and homes. A pelvic strap is included with the chair, and a wide range of optional accessories lets you tailor the Juni to a child's exact needs.

Best For
- Children who need minimal postural support during classroom, nursery, or home activities
- Parents and therapists who want an adjustable chair that grows with the child
- Schools and nurseries seeking supportive seating with a bright, inclusive design
- Children who benefit from built-in lumbar support and contoured positioning
- Settings that want a step up from basic classroom seating without a highly clinical system
Grows With Your Child
The Juni is built to adapt as a child develops. Seat height, seat depth, and armrest height all adjust easily, and the backrest reclines in 5° increments from 95° to 105° to fine-tune comfort and support. With four sizes to choose from and a range of add-on accessories, one Juni can keep supporting a child through years of growth and changing needs.
Support / Performance
The specially contoured seat and backrest encourage healthy postural alignment while keeping a child feeling secure and stable. Integrated lumbar support helps maintain a healthy spine position during longer periods of sitting, and the included pelvic strap adds gentle positioning. For children who need more, optional side-support cushions, a pommel, and a 4-point harness build on the chair's core support.
Maneuverability / Portability
Lightweight and compact, the Juni is easy to reposition between classrooms, therapy rooms, and home spaces, and its smaller footprint fits naturally at desks and tables. For even easier movement, optional mobility bases – including a dolly base with push handle and the gas-assisted Hi-Lo base – let you roll and adjust the chair with ease.
Comfort & Design
The Juni pairs supportive contouring with a cheerful, contemporary look that blends into modern classrooms and family spaces. Broad, flat wooden armrests give a child a comfortable, stable place to rest their arms and a natural push-off point when sitting down or standing up. Its hard-wearing Dartex fabric is available in four colors – Lime, Red, Blue, and Cobalt (Black) – so the chair feels approachable and inclusive rather than institutional. Color availability can vary by size, so reach out if you have a specific combination in mind.
Size Guide
The Juni comes in four sizes. Rather than choosing by age, match the child's seated measurements to the seat height and depth. Not sure which size fits? Call us and we'll be glad to help.

| Measurement | Size 1 | Size 2 | Size 3 | Size 4 |
| Seat Height | 6.3–8.7" | 7.9–11" | 9.4–13.4" | 11.8–15.7" |
| Seat Width | 9.4" | 11" | 12.8" | 14.4" |
| Seat Depth | 7.1–9.4" | 8.7–11.8" | 10.2–14.2" | 12.6–16.5" |
| Back Height | 10.2" | 11.4" | 12.8" | 15.7" |
| Back Recline | 95° / 100° / 105° | 95° / 100° / 105° | 95° / 100° / 105° | 95° / 100° / 105° |
| Max User Weight | 66 lbs | 88 lbs | 110 lbs | 132 lbs |
| Product Weight | 9 lbs | 13 lbs | 18 lbs | 22 lbs |
Specifications
| Brand | Smirthwaite |
| Product Type | Pediatric Postural Chair |
| Available Sizes | 1, 2, 3, 4 |
| Color Options | Lime, Red, Blue, Cobalt (Black) – Dartex fabric |
| Adjustability | Seat height, seat depth, armrest height, backrest recline (95°–105°) |
| Standard Features | Contoured seat and back, built-in lumbar support, flat wooden armrests, included pelvic strap |
| Max User Weight | 66–132 lbs, depending on size |
| Product Weight | 9–22 lbs, depending on size |
| Warranty | 2-year manufacturer warranty |
Accessories & Add-Ons
The Juni is designed to grow with a child's needs through a full range of optional accessories. Add the ones you need below, or call us and we'll help you build the right setup.
Positioning & Support
- Side support cushions – add hip and thigh support (available in 25mm and 50mm)
- Double cushions – extra hip and thigh support for a closer fit
- Pommel – encourages hip abduction
- 4-point harness – adds trunk support (multiple colors and sizes)
Footrests & Lower-Leg Support
- Juni footrest – adjustable foot support in four sizes
- Skis – stabilize the chair and prevent unwanted movement
- Mobile skis – give clearance to help with standing transfers
- Skis & footboard – combine foot support with greater stability
- Sliding footrest – foot support that slides back for transfer clearance (used with mobile skis)
- Extended outriggers & raisers – add height and leg-length adjustment
Mobility & Height Bases
- Dolly base & push handle – a slimline mobile base for easy movement from room to room
- Hi-Lo base – gas-assisted height adjustment that fits under most desks (sizes 1 & 2)
- Hi & Lo boosters – raise the chair for higher surfaces at home or school (sizes 1 & 2)
- Height-adjustable push handle – sets the ideal push position for a caregiver
Tray & Table
- Quick-release tray – a white tray that attaches and removes easily
- Juni table – a height-adjustable, foldable table available in several colors
- Hi-Lo tilting desk – a larger, adjustable desktop for classroom use
Product Resources
For setup, adjustment, and accessory guidance, see the manufacturer's Juni Accessories User Guide (IFU).
Compare & Explore More
For a simpler classroom-focused option, explore the Felix School Chair. For a more advanced adjustable support chair, compare the Pango School Chair. You can also browse our full pediatric seating collection or read the Pediatric Mobility Equipment Buying Guide.
Why Buy From Independent Living Superstore
Independent Living Superstore is a veteran-owned business focused on real-world mobility and positioning solutions for families, caregivers, and professionals. We carefully select supportive pediatric products that combine everyday usability, practical adjustability, and long-term value – and we're always glad to help you choose the right size, color, and accessories.
Warranty
Smirthwaite provides a 2-year manufacturer warranty from the date of delivery covering defects in materials and workmanship under normal intended use. Warranty coverage excludes misuse, accidental damage, neglect, and normal wear and tear. Smirthwaite also recommends periodic servicing to maintain safety and long-term performance.
Important Information
This product is intended to provide supportive seating and positioning assistance only. It is not intended to diagnose, treat, cure, or prevent any medical condition. Always review sizing, adjustment, and accessory needs before purchase, and ensure the chair is properly fitted to the child by a therapist or trained representative before use. Please refer to the manufacturer's Juni Accessories User Guide (IFU) for full guidance.
Contact Us
Email: support@independentlivingsuperstore.com
Phone: (844) 795-2930
Frequently Asked Questions
What is the Smirthwaite Juni chair used for?
How does the Juni chair adjust as a child grows?
What sizes and weight limits does the Juni chair have?
What accessories are available for the Juni chair?
Is the Juni chair suitable for children with special needs?
What comes included with the Juni chair?
Thank You for Supporting Our Mission
Every purchase helps us continue our mission as a Service-Disabled Veteran-Owned Small Business dedicated to improving independence and dignity for all. Your support not only empowers our customers but also honors the values of service, integrity, and compassion that drive everything we do.

