Ultimate Mesh Portable Booster Baby Carrier

Carry Less. Explore More.

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One compact carrier for carrying, seating, and traveling

The Ultimate Portable Booster Baby Carrier is designed for the stage when your baby has grown beyond the newborn months—but still wants to be carried throughout outings, meals, and travel. Lightweight, compact, and structurally supportive, it transitions from a baby carrier into a portable booster seat whenever a suitable child seat is unavailable.

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From carrying to sitting, without another bulky item

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Family outings often require separate equipment for carrying and seating. Ultimate brings both functions together in one streamlined design.

Use it as a supportive carrier while moving, then secure it to an appropriate chair as a portable booster when your child needs a place to sit. It is designed for restaurants, cafés, trips, and other everyday situations where a dedicated child seat may not be available.

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Designed around the needs of growing babies

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Many carriers begin to feel increasingly bulky as babies grow. Ultimate takes a different approach: it is specifically designed for older babies and toddlers, with a supportive structure that accommodates a growing body while keeping the carrier itself light.

The seat and body structure are designed to support the baby’s thighs, back, and seated posture, while the adjustable carrier system helps the caregiver achieve a close and stable fit.

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Comfortable back carrying with greater freedom of movement

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As babies become heavier and more curious, back carrying can give caregivers greater freedom to move, travel, manage siblings, and continue everyday activities.

Ultimate is optimized for stable back carrying as well as inward-facing front carrying. Its compact structure reduces unnecessary bulk while maintaining supportive contact with the child.

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Approximately 500 g—made for life on the move

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At approximately 500 g, Ultimate is easy to pack into a suitcase, stroller basket, or everyday bag. The lightweight construction helps reduce the burden of carrying additional parenting equipment during longer outings and travel.

Breathable mesh construction supports airflow in warm conditions, while the compact form makes it practical for year-round use and frequent transportation.

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Thoughtfully engineered in South Korea

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Ultimate was developed through MerryTune’s engineering-led approach to parenting gear. Its portable booster structure, carrier proportions, support areas, and adjustment system were designed as an integrated product rather than a collection of standard components. The product is designed, developed, and manufactured in South Korea.

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Recommended use

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Recommended age: approximately 5–36 months
Minimum recommended weight: approximately 7 kg
Minimum recommended height: approximately 63 cm
Carrying positions: inward-facing front carry and back carry
Use only after the child meets the applicable developmental and physical requirements described in the user manual

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Ultimate Mesh Portable Booster Baby Carrier

₩168,900 KRW

Transforms from a baby carrier into a portable booster seat
Ultra-light design weighing approximately 500 g
Designed for older babies and toddlers from approximately 5 to 36 months
Optimized for comfortable front inward-facing and back carrying
Compact, breathable, and easy to carry for travel and daily outings

Mesh
Nylon
Polyester

Approximately 500 gMade in South Korea

Approximately 5–36 monthsFrom approximately 7 kgFrom approximately 63 cm

Always follow the care label attached to the product.
Fasten all buckles and secure loose straps before washing.
Place the carrier in a large laundry net.
Use a mild detergent and the washing method specified on the care label.
Do not use bleach or fabric softener unless expressly permitted on the label.
Do not expose buckles, elastic components, or padding to excessive heat.
Allow the product to dry completely before use.

Read and follow the complete user manual before use.
Use only when the child meets the recommended age, weight, height, and developmental requirements.
Check all buckles, straps, seams, elastic components, and fastening points before every use.
Ensure that the child’s airway remains visible and unobstructed at all times while carrying.
Confirm that the carrier fits closely and securely around both the caregiver and child.
Use the portable booster function only on a stable, structurally suitable chair and follow all installation instructions.
Never use the booster function on an unstable, folding, damaged, backless, or otherwise unsuitable chair.
Never leave the child unattended while using the product.
Stop using the product immediately if any component is damaged, worn, loose, or missing.
The portable booster function may fit certain aircraft seats when permitted by the airline and cabin crew. It is not an aviation safety restraint and must not be used during takeoff, landing, turbulence, or whenever instructed otherwise by the airline.