--- product_id: 291027755 title: "Upseat Boost - The Original Ergonomic Toddler Booster Seat for Dining Table, Developed with Physical Therapists to Encourage Posture, Adjustable Height, Easy to Wipe Clean, and Travel-Friendly" brand: "upseat" price: "¥41748" currency: JPY in_stock: true reviews_count: 13 category: "Upseat" url: https://www.desertcart.jp/products/291027755-upseat-boost-the-original-ergonomic-toddler-booster-seat-for-dining store_origin: JP region: Japan --- # Lightweight & travel-friendly with handle 8" height boost for perfect table reach Lifetime warranty on medical-grade durability Upseat Boost - The Original Ergonomic Toddler Booster Seat for Dining Table, Developed with Physical Therapists to Encourage Posture, Adjustable Height, Easy to Wipe Clean, and Travel-Friendly **Brand:** upseat **Price:** ¥41748 **Availability:** ✅ In Stock ## Summary > 🚀 Boost their posture, boost their confidence! ## Quick Answers - **What is this?** Upseat Boost - The Original Ergonomic Toddler Booster Seat for Dining Table, Developed with Physical Therapists to Encourage Posture, Adjustable Height, Easy to Wipe Clean, and Travel-Friendly by upseat - **How much does it cost?** ¥41748 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/291027755-upseat-boost-the-original-ergonomic-toddler-booster-seat-for-dining) ## Best For - upseat enthusiasts ## Why This Product - Trusted upseat brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ergonomic Elevation:** Gives toddlers an extra 8 inches to dine comfortably and confidently at the table. - • **Adjustable & Growing:** 3-point harness and detachable platform adapt from 18 months to 5 years or up to 50 lbs. - • **Sleek, Easy-Clean Style:** Modern, padded foam seat complements any décor and wipes clean in seconds. - • **Travel-Ready Portability:** Lightweight with a convenient handle—perfect for restaurants, playdates, and grandma’s house. - • **Therapist-Approved Design:** Developed with physical therapists to promote healthy posture and muscle engagement. ## Overview The Upseat Boost is a therapist-developed ergonomic toddler booster seat that adds 8 inches of height for better table access. Designed for kids 18 months to 5 years (up to 50 lbs), it features an adjustable 3-point harness, detachable platform for extra height, and a lightweight, travel-friendly design. Made from durable, easy-to-clean foam with a sleek modern look, it comes with a lifetime warranty, ensuring long-term use and peace of mind. ## Description desertcart.com : Upseat Boost - The Original Ergonomic Toddler Booster Seat for Dining Table, Developed with Physical Therapists to Encourage Posture, Adjustable Height, Easy to Wipe Clean, and Travel-Friendly : Baby Review: Sturdy, comfortable, long term gig - I have one for both of my kids and really like them. They're overall easy to keep clean, really easy to travel with if needed, and it's a comfortable design. It's held up super well so far with no damage. It's been great from age 1 to age 3 for me, and presumably beyond that. It allows we some mobility (they can twist around in it) but if set up properly it feels safe and secure. Review: Highly recommend - Highly recommend for a safe, sturdy, easily cleanable seat for a toddler. Boosts my tiny girl enough that she can reach the table for meal time. ## Features - ✅ ERGONOMIC TODDLER BOOSTER SEAT: This booster seat for dining table that encourages proper upright posture gives your little one an additional 8" of height at the dinner table. - ✅ DEVELOPED BY EXPERTS: Developed with the help of physical therapists, this seat for toddlers engage the muscles responsible for proper upright posture. - ✅ DETACHABLE PLATFORM FOR EXTRA HEIGHT: Providing added height for younger children who need an extra boost - ✅ PORTABLE & TRAVEL-FRIENDLY: Whether you’re going to a restaurant, grandma's house, or to a play date, the Upseat Boost's lightweight design and convenient handle allows for easy transportation. - ✅ ADJUSTABLE 3-POINT HARNESS TO GROW WITH YOUR CHILD: This kitchen booster seat is ideal for 18 months to 5 years or up to 50 lbs. - ✅ SLEEK & MODERN DESIGN: The Upseat Boost compliments any home décor style and is proudly made in North America. - ✅ MADE FROM COMFORTABLE PADDED, EASY-TO-CLEAN MATERIAL - ✅ LIFETIME WARRANTY: The Upseat Boost is made from medical grade materials that are so durable, each seat comes with a lifetime warranty. If you have any issues with the quality of the product, please contact us and we will be happy to replace any defective item. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08VV7TSY9 | | Age Range (Description) | 18 months to 5 years | | Age Range Description | 18 months to 5 years | | Best Sellers Rank | #8,157 in Baby ( See Top 100 in Baby ) #44 in Hook-on & Booster Seats | | Brand | Upseat | | Color | Gray | | Customer Reviews | 4.5 out of 5 stars 684 Reviews | | Item Dimensions D x W x H | 13"D x 12"W x 5"H | | Item Weight | 3.1 pounds | | Manufacturer | Nuvate Inc. (The Upseat Company) | | Material | Foam | | Material Type | Foam | | Maximum Weight Recommendation | 50 pounds | | Model Number | 400 | | Part Number | 400 | | Product Dimensions | 13"D x 12"W x 5"H | | UPC | 627987000337 | | Unit Count | 1 Count | ## Product Details - **Brand:** Upseat - **Color:** Gray - **Item Weight:** 3.1 pounds - **Material:** Foam - **Product Dimensions:** 13"D x 12"W x 5"H ## Images ![Upseat Boost - The Original Ergonomic Toddler Booster Seat for Dining Table, Developed with Physical Therapists to Encourage Posture, Adjustable Height, Easy to Wipe Clean, and Travel-Friendly - Image 1](https://m.media-amazon.com/images/I/61UblWu-diL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Hi. What material is this made from? Does it contain phthalates** A: Hi Mellita, Thank you for reaching out. The seat is made from polyurethane, and the tray is made from food grade plastic (ABS). Tested and completely BPA and PVC free :) If you have other questions or concerns, please don’t hesitate to contact us. We are always happy to help. All the best, Jobie The Upseat Team 1-888-977-1129 **Q: Can this fit on the base of a Stokke Tripp Trapp high chair?** A: HI Mary Kate! Looking at the picture if Stokke Tripp Trapp, I don't think the Upseat will fit. -- The Upseat Team **Q: Can you use this on a stool?** A: Hi Sarah, thank you for reaching out to us. The Upseat should not be used on a stool. (more information can be found in the manual. https://cdn.shopify.com/s/files/1/2509/9588/files/Upseat_Instruction_Manual.pdf?v=1611762360) It should be used on a chair with a backrest. If you have more questions, please keep it coming. We are happy to help. Jobie The Upseat Team 1-888-977-1129 **Q: Hi, can I know when will the baby floor and booster seat be in stock again? Thank you :)** A: Hi! Thank you for reaching out. The Upseat is available now on Amazon.com. If you have any more questions or need anything, please let me know..-- Jobie The Upseat Team 1-888-977-1129 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Sturdy, comfortable, long term gig *by N***H on February 28, 2026* I have one for both of my kids and really like them. They're overall easy to keep clean, really easy to travel with if needed, and it's a comfortable design. It's held up super well so far with no damage. It's been great from age 1 to age 3 for me, and presumably beyond that. It allows we some mobility (they can twist around in it) but if set up properly it feels safe and secure. ### ⭐⭐⭐⭐⭐ Highly recommend *by H***G on June 11, 2026* Highly recommend for a safe, sturdy, easily cleanable seat for a toddler. Boosts my tiny girl enough that she can reach the table for meal time. ### ⭐⭐⭐⭐⭐ Great table booster seat *by L***N on July 20, 2026* Very happy with this booster seat for our 2 year old! She loves sitting at the table like a big girl. It fits out chairs perfectly and can be adjusted if needed. Worth the money! ## Frequently Bought Together - Upseat Boost Ergonomic Toddler Booster Seat for Dining Table, Developed with Physical Therapists to Encourage Posture, 3-Point Harness, Easy to Wipe Clean, and Lightweight Gray - Minnebaby Extra Large Booster Chair Protector Cover, Dining Chair Seat Cover for Booster Seat, Grey - Moonkie Silicone Placemats for Baby & Kid, Stain-Proof Non-Slip Toddler Food Mats Eating Table Mat with 2 Packs --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/291027755-upseat-boost-the-original-ergonomic-toddler-booster-seat-for-dining](https://www.desertcart.jp/products/291027755-upseat-boost-the-original-ergonomic-toddler-booster-seat-for-dining) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-27*