What Makes a Bag Reliable on Rainy Days?

Key Features That Help Protect Your Laptop and Valuables

Unexpected rain can happen anytime.

To help keep your laptop, documents, and other essentials protected, here are five important features to look for in a bag that performs well on rainy days.

Close-up of water-repellent ETUBY fabric with water droplets beading on the surface

01.Choose Water-Repellent Materials

 

Water-repellent fabrics help prevent raindrops from soaking into the material, reducing moisture from reaching the inside of the bag.

Keep in mind that water-repellent treatments are not permanent, so regular maintenance is recommended to maintain their performance.

Water-resistant zipper structure with polyurethane film that helps prevent rainwater from entering the bag

02.Pay Attention to the Zipper Design

 

Even if the fabric is water-repellent, zippers are one of the most vulnerable areas where rainwater can enter.

Look for features such as water-resistant zippers, protective flaps, or zipper layouts that allow rainwater to flow away naturally.

ETUBY backpack designed to help rainwater flow away and reduce water accumulation during rainy weather

03.Consider the Overall Bag Design

 

Rain protection is not determined by fabric alone.

The placement of openings and pockets, along with a shape that helps prevent water from collecting, all contribute to a bag that performs better in wet conditions.

Padded laptop compartment designed to protect a notebook computer from impact and moisture

04.Protection for the Laptop Compartment

 

Electronic devices are sensitive to both moisture and impact, making the protection of the laptop compartment especially important.

Check for features such as thick cushioning, dedicated compartments, and internal structures designed to keep your device secure.

Water-resistant shoulder strap and handle designed for comfortable carrying in rainy weather

05.Comfortable to Carry Even in the Rain

 

A wet bag can become slippery and feel heavier than usual.

Comfortable shoulder straps, easy-to-grip handles, and an ergonomic carrying design make everyday use more comfortable—even on rainy days.

ETUBY's Approach to Rainy-Day Protection

At ETUBY, we use water-resistant and water-repellent materials designed for everyday commuting and business travel.

We also position the smartphone pocket zipper at an angle, allowing rainwater to run off naturally instead of collecting around the opening.

In addition, the bottom of the laptop compartment is raised above the base of the bag, helping reduce the risk of impact when the bag is placed on the ground.

Rather than simply pursuing water resistance, we design our bags to provide reliable device protection while remaining comfortable and practical for everyday use.

Rainy-Day Bag Selection Checklist

Water-repellent material icon

Uses water-repellent materials

Water-resistant zipper icon

Zipper design helps keep rain out

Rain-shedding design icon

Shape prevents water from collecting

Laptop compartment protection icon

Laptop compartment provides reliable protection

Comfortable carrying icon

Comfortable to carry in rainy weather


ETUBY FACT

Factory icon representing ETUBY's founding in 1968

1968

Founded

Briefcase icon representing the start of protective case manufacturing in 1984

1984

Started Manufacturing Protective Cases

Shield icon representing over 40 years of protection expertise

40+ Years

of Protection Expertise

Made in Japan quality and craftsmanship

Made in Japan

Manufactured in Japan

Designed and developed in Nagoya, Japan

Crafted in Nagoya

Designed in Nagoya


Water-resistant fabric representing ETUBY's protection technology for everyday bags

Protect What Matters.

1984年から磨き続けた
守る技術から生まれたバッグブランド。

Crafted in Nagoya, Japan.



Made in Japan

Made in Nagoya

Worldwide Shipping Available