All your essentials. Always with you.

Backpack + sleeve + bottle + organizer

A smart, lightweight, foldable system for your everyday life.

Secure checkout · Free shipping to the United States

The system

A complete system

Four real pieces that work together — each one takes care of part of your day.

Complete Kit Diario with MARSSKIN backpack and pouch, bottle, sleeve and organizer
Laptop sleeve with standCollapsible water bottleCable organizer

Choose your color

One bottle. Three ways to carry it.

Tap your color to open it selected and add it to your cart.

Hover over a color and click to shop.

Choose every detail

Your color. Your size. Your Kit Diario.

Explore the available combinations and open each product with your choice ready.

Hover over or tap a product to choose it.

Product engineering

What we know for sure

30L foldable backpack photographed with editorial lighting
01
Front zipper

Direct access to the main compartment.

30LCapacity
260gWeight
46×29×20cmDimensions
NylonMaterial
FoldableDesign
The problem

Your day already has enough to carry.

Laptop. Chargers. Cables. Water bottle. Loose accessories. You do not have to carry them in a jumble.

Kit Diario organizes them in one system: a backpack that carries everything without the clutter.

Who it is for

Made to keep up with your day.

Black MARSSKIN foldable backpack beside its included pouch 30L backpack · Folding pouch included

For studying

Carry your laptop, water and accessories together in one organized backpack.

For working

Keep your essential tools ready for every workday.

For getting around

Practical products that take up less space and fit your routine.

How it works

Choose what you need.

01

Explore your essentials

Find products that fit your routine.

02

Shop individually or build your kit

Choose only what you need or get several essentials together.

03

Receive it and organize your day

Start carrying what matters in a simpler way.

Shop with confidence

Shop with peace of mind.

Secure payment

All transactions go through Shopify's encrypted checkout.

Shipping

Free shipping to the United States.

Available variants

Colors, sizes, prices and availability are shown before you add each product to your cart.

Customer support

Use the Contact page for help with your purchase.

About Kit Diario

We are just getting started.

Kit Diario is taking its first steps. We want to build a brand around useful products and a shopping experience you can trust. When we have real customers, you will see their reviews here — never invented ones.

Frequently asked questions

Have questions?

Orders

Choose your products, add them to your cart and pay through Shopify's secure checkout. You will receive a confirmation email with your order details.
Write to us as soon as possible through the Contact page. If your order has not been processed yet, we will review the available options.

Shipping

We currently ship to the United States.
Shipping to the United States is free.
The time depends on the destination and carrier. You will receive the available information and tracking associated with your order.

Products

All four essentials are sold individually, so you can choose the color, size and products that fit your routine. Add only the items you want to your cart; prices and availability are shown on each product page.

Contact

Use the Contact page in the main menu.
Send us your order number and an explanation through the Contact page. If there is damage, include clear photos.