
Upseat Big XL Floor & Booster Seat with Tray
The Upseat Big XL Floor & Booster Seat with Tray offers the same trusted ergonomic design as the original Upseat, now 30% larger to provide enhanced comfort for growing babies. Designed for children aged 6 months to 3 years, this versatile seat accommodates larger babies with extra room around the tummy and thighs.
Features:
- 30% Bigger Design: Wider leg openings, a deeper seat, and higher back support ensure comfort as your baby grows.
- Ergonomic Support: A slight forward tilt promotes healthy posture and supports natural hip development, guided by leading physical therapists.
- 2-in-1 Functionality: Easily transitions from a floor seat to a booster seat, adapting to your child’s needs.
- Detachable Tray: Includes a large, easy-to-clean tray for meals or playtime.
Key Dimension Differences:
| Part | Upseat Big | Original Upseat |
|---|---|---|
| Width underneath | ~18 inches | ~14.5 inches |
| Seat depth (back → pommel) | ~9 inches | ~6 inches |
| Leg opening width | ~6 inches | ~4 inches |
| Inner width between legs | ~12 inches | ~9 inches |
| Height to handle top | ~12 inches | ~10 inches |
Original: $134.99
-70%$134.99
$40.50More Images








Upseat Big XL Floor & Booster Seat with Tray
The Upseat Big XL Floor & Booster Seat with Tray offers the same trusted ergonomic design as the original Upseat, now 30% larger to provide enhanced comfort for growing babies. Designed for children aged 6 months to 3 years, this versatile seat accommodates larger babies with extra room around the tummy and thighs.
Features:
- 30% Bigger Design: Wider leg openings, a deeper seat, and higher back support ensure comfort as your baby grows.
- Ergonomic Support: A slight forward tilt promotes healthy posture and supports natural hip development, guided by leading physical therapists.
- 2-in-1 Functionality: Easily transitions from a floor seat to a booster seat, adapting to your child’s needs.
- Detachable Tray: Includes a large, easy-to-clean tray for meals or playtime.
Key Dimension Differences:
| Part | Upseat Big | Original Upseat |
|---|---|---|
| Width underneath | ~18 inches | ~14.5 inches |
| Seat depth (back → pommel) | ~9 inches | ~6 inches |
| Leg opening width | ~6 inches | ~4 inches |
| Inner width between legs | ~12 inches | ~9 inches |
| Height to handle top | ~12 inches | ~10 inches |
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Upseat Big XL Floor & Booster Seat with Tray offers the same trusted ergonomic design as the original Upseat, now 30% larger to provide enhanced comfort for growing babies. Designed for children aged 6 months to 3 years, this versatile seat accommodates larger babies with extra room around the tummy and thighs.
Features:
- 30% Bigger Design: Wider leg openings, a deeper seat, and higher back support ensure comfort as your baby grows.
- Ergonomic Support: A slight forward tilt promotes healthy posture and supports natural hip development, guided by leading physical therapists.
- 2-in-1 Functionality: Easily transitions from a floor seat to a booster seat, adapting to your child’s needs.
- Detachable Tray: Includes a large, easy-to-clean tray for meals or playtime.
Key Dimension Differences:
| Part | Upseat Big | Original Upseat |
|---|---|---|
| Width underneath | ~18 inches | ~14.5 inches |
| Seat depth (back → pommel) | ~9 inches | ~6 inches |
| Leg opening width | ~6 inches | ~4 inches |
| Inner width between legs | ~12 inches | ~9 inches |
| Height to handle top | ~12 inches | ~10 inches |














