BeSafe | iZi Flex FIX i-Size Booster Seat


Booster Seat for 4 - 12 years old! 

Did you know that Singapore law requires anyone below the height of 1.35m to be secured with an appropriate restraint, booster seat or adjustable seatbelt?

BeSafe iZi Flex FIX i-Size is one of the safest booster seats for children from 100-150 cm, featuring two separate layers of removable side impact protection.

One of the safest booster seats available, it features two separate layers of removable side impact protection, a lap-belt guide and heavily pitched seat to reduce the risk of the child 'submarining' under the lap belt in an accident, and an energy dispersive seat belt pad which offers best-in-class chin and chest protection.


  • Pad+ designed for additional chin and chest protection
  • Locked position for ISOfix installation
  • Side impact protection (SIP+)
  • Shoulder and hip belt guider for proper position
  • Headrest designed for side visibility and sleeping support
  • Height adjustment to grow with the child
  • Height range: 100 cm to 150 cm
  • Age approx: 4 to 12 year
  • Size booster seat for stature height 100 – 135 cm
  • Stature height: 100 – 150 cm
  • Age: approx. 4 – 12 years

  • Direction: Forward facing

  • Installation: 3-point vehicle belt or ISOfix in combination with 3-point vehicle belt




Superior safety

The new BeSafe iZi Flex FIX i-Size is approved according to the latest regulation UN R129 that puts significant new safety demands on high back booster seats. To provide maximum protection for the child, the BeSafe iZi Flex FIX i-Size is equipped with three layers of side impact protection and a headrest specifically shaped for the highest safety and comfort.

In addition to the dynamic flex-performance and Side Impact Protection (SIP) bumpers, the iZi Flex FIX i-Size also features BeSafe’s well proven innovation SIP+ (additional side impact protection). While the seat already passes the demanding approval tests of UN R129 without SIP+, this extra safety feature exceeds the regulations absorbing additional force by deforming like a car’s crumple zone and reducing side movement.

Experience from the BeSafe pregnancy belts has inspired the development of the foldable lapbelt guider. Made of soft materials, this helps with an optimal positioning of the lapbelt and also increases comfort. A fid-lock magnet makes opening and closing it easy.
Similarly, lockable shoulderbelt guiders at the headrest ensure that the shoulderbelt is always at the right height for the child.

To make buckling up easier and safer, iZi Flex FIX i-Size does not feature belt horns which carry the risk of misplacing the lapbelt.

Greatest comfort

The iZi Flex FIX i-Size is optimized for comfort with adjustable reclining positions for your child, as well as ease of installation for you. The height adjustment handles can be reached from both sides even when the child is seated and enable the iZi Flex FIX i-Size to grow with your child from 100 to 150 cm. With its stowable ISOfix arms, this booster seat can be installed in a variety of vehicles. Being able to lock the ISOfix arms makes installation easy even if the ISOfix anchorages are difficult to reach deep within the vehicle uphostery.

The V-shaped headrest supports your child’s head whilst still allowing them a great view each side. The PAD+ adds to your child’s comfort by padding the vehicle shoulder belt.

Unique space flexibility

iZi Flex FIX i-Size perfectly adjusts to your family’s needs. It enables you to fit up to three people in one row by simply detaching the SIP bumpers facing the inside of the car. More space – just as safe.

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