WITZMAN black expandable laptop briefcase for men with double-buckle flap closure and nylon business bag design

Men's 33L expandable messenger bag with padded top handles, detachable shoulder strap, and multiple zippered compartments

Pasta para notebook expansível 28-33 L B773

WITZMAN black expandable laptop briefcase for men with double-buckle flap closure and nylon business bag design back veiw

Large laptop briefcase for men showing two organized storage compartments for a 15.6-inch laptop, documents, and travel essentials

Black laptop messenger bag for men with adjustable padded shoulder strap for office commuting and business travel

Classic business briefcase with double-buckle front flap, PU leather accents, and secure organizer pockets

Pasta para notebook expansível 28-33 L B773

$0.00 USD

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A rigid work bag feels limiting when meetings turn into overnight trips. This expandable laptop briefcase for men gives you 28L of organized storage, with room to expand to 33L when you need it. A padded 15.6-inch laptop compartment and 11-inch tablet sleeve keep devices separate, while multiple organizers, a hidden rear pocket, and dual USB-A/USB-C charging access support your daily routine. Carry it by hand or shoulder, or secure it to rolling luggage for easier business travel.

MORE DETAILS

28L–33L Expandable Capacity: Zipper expansion adds room for work and travel essentials
2520D Water-Resistant Nylon: Tear-resistant exterior for everyday durability
15.6-Inch Laptop Protection: Padded sleeve with separate 11-inch tablet storage
Dual Main Compartments: Organized space for documents, electronics, and personal items
Double-Buckle Flap Closure: Classic messenger-style front with two securing straps
Multiple Organizer Pockets: Interior zippered, slip, button, and mesh compartments
Quick-Access Front Storage: U-shaped zippered pocket and additional front organizers
USB-A & USB-C Charging Ports: External charging access with your own power bank
Hidden Rear Zipper Pocket: Discreet storage for passports, wallets, and valuables
2-in-1 Carrying Options: Hand carry or shoulder/crossbody wear
Detachable Padded Shoulder Strap: Adjustable from 30 to 55 inches
Comfortable PU Leather Handles: Snap-together handle grip and side grab handle
Luggage Trolley Sleeve: Attaches to rolling suitcase handles
Metal Zipper Hardware: Durable finishing details for everyday use

SPECIFICATIONS

Model: B773

Product Type: Expandable Laptop Briefcase / Messenger Bag

Capacity: 28L Standard / 33L Expanded

Ideal Use: Business travel, office commuting, work, overnight trips

Dimensions: 17.5 × 7.5 × 12.8 in (44.5 × 19.1 × 32.5 cm)

Expanded Depth: 9.5 in (24.1 cm)

Weight: 3.63 lbs (1.65 kg)

Exterior Material: 2520D water-resistant nylon

Lining: Polyester

Handle Material: PU leather

Color: Black

Laptop Compatibility: Up to 15.6-inch laptop

Tablet Compatibility: Up to 11-inch tablet

Storage: 2 main compartments with multiple organizer pockets

Carrying Options: Hand, shoulder, crossbody

Shoulder Strap: Detachable, adjustable 30–55 in

USB Ports: USB-A and USB-C (power bank not included)

Closure: Zipper and double-buckle flap

Travel Feature: Rear luggage trolley sleeve

Note: Designed for business travel and commuting. Airline baggage allowances vary by carrier; check the dimensions before traveling, particularly when expanded.

SHIPPING

Shipping cost:

Standard Shipping, Free Shipping
Express Shipping, Shipping cost: $6.99

Process time:

1-2 business days;

Shipping time:

[US,CA,UK,DE,FR] Standard Shipping, 2-7 business days;
Express Shipping, 2-4 business days
Worldwide Shipping, 7-14 business days

WARRANTY & RETURNS

Warranty:
All WITZMAN bags include a 1-year (365-day) limited warranty. Please review our Warranty Policy for coverage details.

Travel fit note:
Airline carry-on and under-seat limits vary by carrier, aircraft, and packing level. Compare the listed bag dimensions with your airline before travel.

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Pasta para notebook expansível 28-33 L B773

$0.00 USD

Free shipping and 30day returns

Product guidance

FAQs

Practical guidance on materials, fit, packing, care and everyday use—so you can choose with confidence and travel prepared.

Materials and durability
Packing and carry-on fit
Care, delivery and support

Please read our FAQs page to find out more.

How does the 28L to 33L expandable system work, and when is it useful?

The B773 features a dedicated expansion zipper that increases the bag's storage capacity from 28L to 33L. In its standard configuration, it offers a more compact profile for office commuting and meetings. Unzip the expansion panel when you need additional room for documents, accessories, or a change of clothes. This flexibility is particularly useful when a workday extends into an overnight business trip.

Can this briefcase accommodate a 15.6-inch laptop and an 11-inch tablet together?

Yes. The B773 provides dedicated padded storage for a laptop up to 15.6 inches and a separate tablet sleeve designed for devices up to 11 inches. Keeping electronics separated from everyday items reduces direct contact with chargers, keys, and other accessories. Laptop dimensions vary by manufacturer, so checking your device's actual width, depth, and thickness is recommended before purchasing.

Is the B773 suitable for airline carry-on travel?

The B773 measures approximately 17.5 × 7.5 × 12.8 inches in its standard configuration. It may fit within the cabin baggage limits of many airlines, but allowances vary by carrier, route, and ticket class. Its 33L expanded configuration increases bag depth and may exceed some restrictions. The B773 is best considered a business travel briefcase rather than a guaranteed underseat personal item.

Does the USB charging system require a separate power bank?

Yes. The B773 features external USB-A and USB-C charging ports that provide convenient access to your connected devices. You must supply your own compatible power bank; the bag does not generate electricity or include a charging battery. Place your power bank inside the bag and connect it to the charging system using the appropriate cable. For air travel, follow your airline's lithium battery rules and remove the power bank when required.

How water-resistant is the 2520D nylon, and how should the bag be maintained?

The 2520D nylon exterior has a water-resistant treatment that helps protect against everyday splashes and light rain. It is not fully waterproof, particularly around seams, zippers, and openings. For prolonged rain exposure, an additional rain cover is advisable. Clean the bag using a soft damp cloth and mild soap, then allow it to air-dry naturally. Avoid machine washing, bleach, and direct heat to help preserve the fabric coating.