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Introducing stylish smartphone cases and brands! What to look for when choosing?

Introducing stylish smartphone cases and brands! What to look for when choosing?

When choosing a smartphone case, many people consider functionality as well as design. There are a wide variety of smartphone cases, but stylish smartphone cases have their own characteristics.


In this article, we will introduce recommended products as stylish smartphone cases and points to consider when choosing a stylish smartphone case. We will also introduce recommended brands that have a wide selection of smartphone cases, so please refer to it.

Smartphone shoulder strap included

With smartphone shoulder strap

A smartphone case with a smartphone shoulder strap is a smartphone case that can be worn on the shoulder like a shoulder bag or around the neck. Most products have a smartphone shoulder strap that can be attached and detached, but there are also products that are integrated with the smartphone case.


Smartphone cases with smartphone shoulder straps are gaining popularity because they allow you to go out lightly without a bag and to quickly use your smartphone when you want to take a photo. Furthermore, if you have a stylish smartphone shoulder strap, you can enjoy it as a part of your fashion like an accessory.


We would like to introduce you to a smartphone case that can be attached to a smartphone shoulder strap.

Mirror case (with shoulder strap)

Mirror Case (with Shoulder Strap)

The Mirror Case (with Shoulder Strap) is an iPhone case that comes with a smartphone shoulder strap and a mirror.

The original V-cut line on the lid and the stylish, sophisticated design of the two-tone color are attractive.


In addition to the removable smartphone shoulder strap, it also has excellent functionality with plenty of card pockets and a mirror that allows you to easily check your appearance.

Belted Diary Case

Belted Diary Case

The Belted Diary Case is a notebook-style iPhone case with a belt.

You can wear it over your shoulder by attaching the smartphone shoulder strap (adjustable shoulder strap) sold separately.


The smartphone shoulder strap (adjustable shoulder strap) is available in silver and gold, with a maximum of 10 colors.

Choose from a wide variety of colors, including neutral colors, vibrant colors that add an accent, and stylish two-tone colors. It will be a focal point of your outfit and you will be able to wear it stylishly.

Click here for separately sold shoulder straps

Wallet integrated x smartphone shoulder strap

Wallet integrated x smartphone shoulder strap

A smartphone case with a built-in wallet is a smartphone case that can store coins and cards and has the functions of both a smartphone case and a wallet.

It is popular with people who want to carry their belongings compactly because it can replace a wallet. It is also suitable for people who mainly use cashless payment and only carry the bare minimum of cards and coins in their wallet.


Here, we will introduce products that are built with a wallet and can also be attached to a smartphone shoulder strap.

Back cover case with snap button

Back cover case with snap button

The back cover case with snap button is an iPhone case with a snap button on the back cover.

By attaching the separately sold envelope pouch that can store small items, it becomes an iPhone case with a wallet.

The envelope pouch can store cards, coins, bills, and small items such as keys. When you don't need to store small items, you can remove the envelope pouch and use it according to your needs.


Also, the snap button back cover case can be equipped with a smartphone shoulder strap (adjustable shoulder strap) just like the belted diary case.

You can freely choose the color of the iPhone case, envelope pouch, and smartphone shoulder strap (adjustable shoulder strap), so you can carry around a stylish iPhone case customized with your favorite design.

Click here for separately sold shoulder straps

With handle × smartphone shoulder strap

With handle × smartphone shoulder strap

A smartphone case with a handle is a smartphone case that makes it easier to hold your smartphone by putting your fingers through the handle on the smartphone case. It has the advantage that even people with small hands are less likely to drop their smartphones.

There are also ring-type smartphone cases that you put your finger through, but if you want to use it stylishly, we recommend the stylish handle-type.


Here, we will introduce smartphone cases with handles that can also be attached and detached from the smartphone shoulder strap.

Back cover case with handle

Back cover case with handle

The back cover case with handle is a back-type iPhone case that can be attached to a smartphone shoulder strap.

In addition to the adjustable shoulder strap mentioned above, there is also a shoulder strap with handle for the back cover in shrink leather gold.


The shoulder strap with handle for the back cover in shrink leather gold can be attached to not only the iPhone case but also the card case. It is a convenient smartphone shoulder that you can choose how to use.

Click here for separately sold shoulder straps

Notebook type

Notebook type

Notebook type is a type of smartphone case that folds in half like a notebook and covers the front and back.

In addition to providing peace of mind that your smartphone will be well protected, many of these cases also have card pockets, making them popular with people who want storage space for their smartphones. If you want a stylish smartphone case, we recommend a minimalist design.


Let's take a look at some stylish notebook-style smartphone cases.

Diary case (folio style)

Diary Case (Notebook Type)

The diary case (notebook type) is an iPhone case that features outstanding storage capacity and a slim silhouette.

The inside has five card pockets for storing credit cards, business cards, bills, etc. Another feature is that it has vertical and horizontal pockets, so you can use it according to your needs.

The genuine leather used in BONAVENTURA's diary cases (folio style) comes in three types: embossed crocodile leather, shrink leather, and nobile leather.


Each has the unique texture of genuine leather, making them ideal for those who want a sophisticated and stylish smartphone case.

There is a wide range of colors available, both solid and two-tone, so you're sure to find a smartphone case that suits your taste.

Back cover type

Back cover type

Among the standard type back covers that cover the back, many people prefer a simple design without snap buttons or handles.


Here, we will introduce a smartphone case with a back cover and a simple design.

Back cover case

Back Cover Case (Rear Cover)

The back cover case (back cover) is a smartphone case with a simple design and lightweight, but also has a pocket that can hold two cards.

It is available in two materials: shrink leather or nobile leather. Since it is made of high-quality genuine leather, it is durable and can be used for a long time. It is also available in a wide range of colors.

Points to consider when choosing a stylish smartphone case

Points to consider when choosing a stylish smartphone case

What should you keep in mind when choosing a stylish smartphone case? Here are some points to consider when choosing a stylish smartphone case.

Leather material

If you want a stylish and special smartphone case, leather is the only choice.

Leather smartphone cases have a more luxurious feel than other materials, and give off a stylish and elegant impression.

Genuine leather becomes more comfortable the more you use it, and it is also durable, so you can use it for a long time.

On the other hand, smartphone cases made of synthetic leather, which artificially reproduce the texture of genuine leather, are cheaper than genuine leather, but they are less durable and more likely to get scratched or torn.

Simple Design

One ​​of the characteristics of a stylish smartphone case is that it has a simple design.

Choose a smartphone case with a calm design that is not too flashy. Another attractive feature is that it can be used without hesitation in a variety of situations, such as at work or in private.

Solid or bicolor colors

If you want to choose a stylish smartphone case, we recommend a solid or bicolor color.

Many people are conscious of solid and bicolor colors when coordinating their fashion, and they also give a stylish impression when used on smartphone cases.

You can't go wrong with a solid color, whether it's a subdued color or a vivid color.

Also, with bicolor colors, you can enjoy unique and eye-catching designs depending on the color combination.

High durability

A highly durable smartphone case is an essential element for having a stylish smartphone case.

A smartphone case with low durability that is easily scratched or fades easily will ruin the appearance over time.

A clean look is also essential to enjoying fashion. When looking for a stylish smartphone case, choose a product that you can use and keep in beautiful condition.

Recommended brands for stylish smartphone cases

If you're looking for a stylish smartphone case, we recommend BONAVENTURA products, which are popular among iPhone users.


BONAVENTURA uses leather from tanners that are highly regarded by top brands around the world.

The sophisticated and stylish design and wide range of colors are also attractive. Since genuine leather does not deteriorate over time, the beautiful and vivid color lasts for a long time. It is also characterized by its excellent functionality and the large number of accessories it comes with.


In addition, the leather used in smartphone cases is coated with nano-glass (water-repellent) during the manufacturing process, so the leather itself repels moisture and is resistant to dirt and stains.


In addition, BONAVENTURA also has a wide range of compatible iPhone cases.

Recommended brands for stylish smartphone cases

<iPhone case compatible models>

・iPhone 16 series

・iPhone 15 series

・iPhone 14 series

・iPhone 13 series

・iPhone 12 series

・iPhone 11 series

・iPhone SE (3rd generation, 2nd generation)

・iPhone 8/7/6s/6

Let's take a closer look at the features and appeal of each.

For a stylish smartphone case, we recommend a product made of genuine leather with beautiful coloring.

There are many types of smartphone cases, but if you want a stylish smartphone case, we recommend a product made of genuine leather.

Genuine leather gives an elegant and stylish impression that synthetic leather and other materials do not.

In addition, a smartphone case that is as durable as genuine leather can be used for a long time without compromising the appearance.


If you are looking for a stylish smartphone case, why not try BONAVENTURA products, which use high-quality genuine leather from a prestigious, long-established tanner with over 150 years of history?

We offer a wide variety of iPhone cases that combine sophisticated designs that make daily use fun and high functionality.

There is a wide variety of colors to choose from, so you can find an iPhone case that suits your taste.