Make every outing with your baby Easy and Comfy—no matter the season.

Product Overview

The EZ-Comfy Series is designed to keep babies comfortable in both hot summers and cold winters. By attaching the appropriate seasonal seat liner to your stroller or car seat, you can create a more pleasant environment for your child throughout the year.

• Summer Models: Circulate air to reduce heat buildup and sweating, especially on the back.

• Winter Model: Built-in heating wires gently warm your child from back to waist.

Perfect for parents who want added climate control and improved comfort during walks, travel, and daily outings.

🌞Summer Model – Twin Fan (Black / Beige)

Includes 4 cooling gel packs

The 2025 upgraded twin-fan model increases airflow with two fans for enhanced cooling performance during extreme summer heat.

Key Features

• Dual-fan system for stronger airflow

• Air intake from the bottom; air flows through 30 ventilation holes from head to thighs

• 3 adjustable wind speeds

• Fans are located behind the seat (not touching the child’s feet)

• Structure prevents dust and food crumbs from entering the fan unit

• Dedicated rear pockets (head & back) for included cooling gel packs

• Highly breathable 3D honeycomb mesh reduces back heat buildup

• 10 adjustable straps for secure installation on various stroller and car seat designs

Size

H101 × W32 × D3 cm

Weight

Approx. 960g (excluding gel packs)

🌞Summer Model – Single Fan (Black / Beige / Navy / Gray)

Includes 2 cooling gel packs

Designed for effective airflow while maintaining a lightweight profile.

Key Features

• Single bottom fan with airflow through 30 ventilation holes

• 3 adjustable wind speeds

• Rear fan placement for safety and hygiene

• Dedicated back pocket for gel pack

• Breathable 3D honeycomb mesh structure

• 8 adjustable straps for secure attachment

Size

H96 × W33 × D3 cm

Weight

Approx. 700g (excluding gel packs)

❄️Winter Heated Model (Beige / Gray)

Keeps your baby warm during cold-weather stroller rides.

Key Features

• Built-in heater warms gently from back to waist

• Dedicated controller for temperature and timer settings

• Overheat protection sensor automatically shuts off power if necessary

• Compatible with strollers and car seats

• 6-point belt system for secure attachment

Size

H67 × W34 × D2 cm

Weight

Approx. 365g

Materials

Summer Models

• Surface: Polyester

• Back: Polyester

• Inner Cushion: Polyester

• Fan & Controller: ABS resin

Winter Model

• Front Fabric: Viscose, Polyurethane

• Back: Polyester

• Inner Cushion: Polyester

Power Requirements (Important)

• Not rechargeable

• Requires external mobile battery (NOT included)

• Required battery specification:

  • Capacity: 5000mAh or higher

  • Output: 5V / 2A (10W or higher)

When used in a vehicle, connect via a 5V 2A+ USB car adapter (sold separately).
Performance may vary depending on power bank, USB ports, or vehicle compatibility.

Safety Notes

• Designed primarily for forward-facing stroller setups

• May not fit all stroller or car seat designs

• Adult supervision required at all times

• Avoid prolonged continuous use

• Fans must not get wet

• For car use (summer models), cool the vehicle interior before use

• Winter model includes automatic temperature shut-off protection

Returns cannot be accepted due to incompatibility with specific stroller or car seat models.

Care Instructions

Summer Models

• Wipe gently with a damp cloth for daily care

• Remove fan before hand washing with mild detergent

• Air dry flat in shade

• Do not bleach, tumble dry, iron, or dry clean

Winter Model

• Remove power and cables before hand washing (30°C lukewarm water, mild detergent)

• Dry in well-ventilated shaded area

• Do not use chlorine bleach, tumble dryer, iron, or dry cleaning

About Us

Chinavi Co., Ltd., founded in 2013, develops baby, maternity, and home medical products under the brand concept: “Providing peace of mind in everyday life.”

We support families—especially during pregnancy and early childcare—with products that meet strict Japanese quality standards. Our lineup includes baby and maternity essentials as well as home healthcare devices designed to promote safety, comfort, and confidence for parents worldwide.

About Kawasaki City Store

KAWASAKI CITY STORE brings a curated collection of products from the City of Kawasaki in Japan to customers around the world. We promise to support our customers kindly, courteously, and promptly, based on the spirit of Omotenashi.

Kawasaki City is located just west of Tokyo, Japan. As part of the Tokyo metropolitan area, the city has significantly contributed to Japan's industrialization and modernization.

Furthermore, Kawasaki City is one of the locations depicted in "The 53 Stations of the Tokaido" (Hiroshige Utagawa, 1832-1833) and is situated along the historic Tokaido road, the highway connecting Edo to Kyoto. Therefore, we honor both modern and traditional Japanese cultures. Through this store, overseas customers can purchase a variety of products made by Japanese specialists, from glass artisans to sheet metal workers.