# How to Choose a Child Booster Seat (兒童增高座墊) in Taiwan: A Guide for Ages 4-12 and Our Pick

Last updated: October 31, 2026
選品索引 ChoiceIndex — https://choiceindex.tw/en/

For a child aged 4 to 12, five things are a good place to start when choosing a booster seat: suitable weight and age, fixing method, size and space in the car, inspection number and insurance, and warranty and returns. This page goes through them one by one, then recommends an affordable booster seat we found: suitable for 15 to 36 kg, fixed with a three-point seat belt, made in Taiwan, with a 1-year warranty.

## Types of Child Car Seats

| Type | Common labels | Who it suits |
|---|---|---|
| Infant carrier / rear-facing seat | Labeled infant carrier, rear-facing, ages 0 to 2 or 0 to 4, for younger children | Families with a child under 4 look at this type; the recommended product on this page is not this type |
| Growing-stage car seat (ISOFIX, swivel) | Labeled ages 0 to 12, growing-stage, ISOFIX, swivel; prices from about NT$3,000, the highest above NT$16,000 | Many features and a higher price; suits families who want one seat to last for years |
| Booster seat (the recommended product on this page) | Labeled booster seat, suitable for 15 to 36 kg, about ages 4 to 12, fixed with the car's three-point seat belt; roughly NT$400 to over NT$2,000 | Compact, easy to store, and affordable; suits a child whose weight and age fall within the listed range |

Choose the type that fits your child's age and weight and the car seat you have.

## Five Key Things When Choosing a Child Booster Seat

| Key point | How to check | What often happens |
|---|---|---|
| Suitable weight and age | The recommended product is listed for 15 to 36 kg, about ages 4 to 12. Before ordering, weigh your child and confirm the weight falls within this range | The child's weight or age is outside the range |
| Fixing method | The recommended product is fixed with the car's three-point seat belt and needs no ISOFIX (the seller lists it as a flat model), and it goes in the rear seat; for correct installation, see the product manual | Assuming it has ISOFIX and finding out only after delivery that it does not |
| Size and space in the car | The seller lists hip width 25 cm, depth 33 cm, overall about 44 cm wide × 35 cm deep × 18 cm high, and 1.3 kg. Children's builds and car seat shapes differ, so we suggest measuring before you order | It arrives but does not fit the child or the seat |
| Inspection number and insurance | The seller lists the product inspection number BSMI R37531 and says it passed CNS 11497, along with product liability insurance of NT$30 million (the seller notes the insured amount is not the claim amount). To confirm the number, use the Bureau of Standards, Metrology and Inspection (標檢局) product inspection mark lookup, or ask the seller for a test report | Relying only on the number the seller wrote, without confirming it |
| Warranty and returns | Shopee's product page shows a 15-day trial period, and the seller gives a 1-year warranty (defects in new items); the seller asks that it not be used before the purchase is confirmed, because damage or dirt from use or incomplete packaging may affect returns | Opening and trying it first, then finding it does not fit |

> This page is a buying guide, not a paid review of a specific product. Links below are Shopee affiliate links. If you buy through them, we may earn a small commission at no extra cost to you.

### 【OMyCar】“Xiao Guaiguai” child booster seat (Shopee Mall, black-orange / black-red)

Shopee listing info (shown October 31, 2026; prices and promotions may change): rating 5.0, 1,142 reviews, over 2,000 sold; the price shown is NT$469 (original NT$522), shipped from Tucheng District, New Taipei, and the page shows a 15-day trial period. Seller's description: suitable for 15 to 36 kg (about ages 4 to 12), fixed with the three-point seat belt, no ISOFIX, hip width 25 cm, depth 33 cm, 1.3 kg, made in Taiwan, BSMI R37531, 1-year warranty. Please go by the listing page and the product manual.

[View product / buy on Shopee →](https://s.shopee.tw/3LS2182xxX)

## Quick Pre-Purchase Checklist

- Is the child's weight and age within the range? → 15 to 36 kg, about ages 4 to 12; a child under 4 is not this type
- Does the fixing method suit you? → Three-point seat belt, no ISOFIX, rear seat
- Does the size fit the child and the seat? → Hip width 25 cm, depth 33 cm, overall about 44 × 35 × 18 cm
- How do I confirm the inspection number? → The seller lists R37531; check the Bureau of Standards lookup or ask for a test report
- Can I return it if it does not fit? → The page shows a 15-day trial period, but the seller says use or damage may affect returns; confirm after delivery before using it

## Before You Order, Check These

- Confirm your child's weight and age fall within 15 to 36 kg (about ages 4 to 12); a child under 4 is not this type.
- Confirm the rear seat of your car can be used and measure the spot; overall about 44 × 35 × 18 cm, hip width 25 cm, depth 33 cm.
- This is a flat model without ISOFIX, fixed with a three-point seat belt; confirm it suits your needs.
- To confirm the inspection number R37531, use the Bureau of Standards product inspection mark lookup, or ask the seller for a test report.
- Save screenshots of the listing page (specs, suitable weight, warranty and return terms), and after delivery confirm it fits before using it.

## What the Official Rules Say

- **What we found in the official sources** — Article 31, paragraph 3 of the Road Traffic Management and Penalty Act: a driver of a small vehicle who carries a young child not placed in a safety seat as required is fined NT$1,500 to NT$3,000. The Regulations on the Safe Riding of Young Children in Small Vehicles (amended March 2, 2020): a young child is aged 4 or under and 18 kg or less; children aged 2 or under sit in a portable infant bed or rear-facing seat in the rear seat; children over 2 up to 4 and 18 kg or less sit in a young-child seat in the rear seat; for children over 4 up to 12, or over 18 kg up to 36 kg, the text we read says to sit in the rear seat and use a seat belt as required by the seat belt rules.
- **What these rules do not say** — The regulations we read do not mention booster seats, do not say children aged 4 to 12 “must” use one, and we found no official recommendation or buying guide for boosters. The rule for a “child over 4 who weighs over 18 kg” is also unclear in the text. So we do not say a booster is legally required, and we do not judge whether your child needs one.
- **If unsure, ask the authorities** — If your child's age or weight is near a boundary, the vehicle is unusual, or it is a taxi, the rules may differ. Ask the Ministry of Transportation and Communications (交通部), the police, or the vehicle supervision office; we do not give legal advice.
- **We do not cover installation or use** — This page only sorts out buying directions; it is not safety or medical advice. For installation and use, see the product manual.

## Frequently Asked Questions

**Must children aged 4 to 12 use a booster seat?**
The text of the regulation we read only says children over 4 up to 12, or over 18 kg up to 36 kg, sit in the rear seat and use a seat belt as required, and does not say whether a booster is required; we also found no official recommendation about boosters. We do not judge whether your child needs one; if unsure, ask the Ministry of Transportation (交通部) or the police.

**Can a child under 4 use this product?**
The seller lists it for 15 to 36 kg, about ages 4 to 12, so it does not cover children under 4. The official regulation defines a child aged 4 or under and 18 kg or less as a “young child” who must use a dedicated young-child seat; we do not cover buying that type.

**Can I trust the seller's inspection number R37531?**
It is a number filled in by the seller, who also says it passed CNS 11497. We have not checked it in the Bureau of Standards system, and we have not read the Bureau's notice on mandatory inspection for this kind of product, so we make no judgment. To be sure, use the Bureau of Standards product inspection mark lookup or ask the seller for a test report.

**Is the seller's NT$30 million insurance the claim amount?**
The seller notes in the description that “the insured amount is not the claim amount”. We did not see the policy and do not interpret it for the seller. If unsure, ask the seller directly.

**Can I return it if it does not fit?**
Shopee's product page shows a 15-day trial period, but the seller says not to use it before the purchase is confirmed, and that damage or dirt from use or incomplete packaging may affect returns. Go by the return terms on the listing page, and after delivery confirm the size and weight range first.

**How should it be installed and used safely?**
We do not give installation or safety advice. Please see the product manual, or ask the seller, the Ministry of Transportation, or the police.

## Notes and What We Checked

On Shopee Taiwan, a search for “兒童安全座椅” returns everything from portable cushions at a few hundred NT dollars to growing-stage car seats at over ten thousand, and titles often list 汽座, 增高墊, and 安全座椅 all at once, so it is hard to tell them apart. We checked Taiwan's official sources: Article 31, paragraph 3 of the Road Traffic Management and Penalty Act (道路交通管理處罰條例) says a driver of a small vehicle who carries a young child without placing the child in a safety seat as required is fined NT$1,500 to NT$3,000. The Regulations on the Safe Riding of Young Children in Small Vehicles (小型車附載幼童安全乘坐實施及宣導辦法) define a “young child” as aged 4 or under and weighing 18 kg or less, require children aged 2 or under to use a rear-facing seat or portable infant bed, and have them all sit in the rear seat. For children over 4 up to 12, or over 18 kg up to 36 kg, the text we read only says to sit in the rear seat and wear a seat belt as required by the seat belt rules, and does not say whether a booster seat is required. The product on this page is listed only for 15 to 36 kg (about ages 4 to 12) and does not cover children under 4. We did not find an official buying guide for booster seats, and we have not checked the inspection number the seller lists against the Bureau of Standards system. This page sorts out what listings show and gives a checklist before ordering on Shopee. It does not cover installation or use, and it is not safety or medical advice.

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選品索引 ChoiceIndex — helping you compare before you buy, not paid endorsements.
[中文版](https://choiceindex.tw/guides/child-booster-seat/)