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Black underseat luggage, rectangular EVA shell, padded laptop pocket, USB port, 14 inch height

Swiss Digital

Swiss Digital SD-4000 BASEL Black Underseat Luggage 14" 34L

SKU CH-X0WE-PP9N0 MPN SD-4000

Underseat luggage with a 34 litre capacity, padded 13 inch laptop pocket and USB charging port

  • TypeUnderseat Luggage
  • ColorBlack
  • Underseat fit with compact 14 x 13.5 x 7.5 inch frame
  • 34 litre capacity holds clothing and essentials for short trips
  • Padded compartment protects a 13 inch laptop during transit
  • Built-in USB charging port keeps devices powered on the go
  • TSA-friendly design with quick-access pouch speeds up security checks

Underseat Luggage 34L

The Swiss Digital SD-4000 BASEL is a compact underseat suitcase designed for travellers who need cabin-approved dimensions. Its 34-litre capacity fits a 13-inch laptop in a dedicated padded pocket while leaving room for clothing and accessories. The EVA body keeps the structure lightweight yet rigid enough for daily transit. A built-in USB charging port lets you top up devices without opening the main compartment.

Capacity and headroom

The 34-litre volume handles a 13-inch laptop, overnight clothing and personal items in a single trip. Expanding beyond that point strains the 14 by 13.5 by 7.5-inch frame and the zipper tracks. The TSA-friendly pouch design speeds security checks but does not add internal space. Packing cubes can organise the interior, yet the fixed depth caps bulkier gear.

Airline size constraint

The 14-inch height, 13.5-inch width and 7.5-inch depth match many underseat allowances, so the bag slides beneath the seat in front. Overhead bins remain an option if the seat space is taken. Soft-sided flexibility helps on tight fits, but the rigid EVA shell prevents compression below the stated dimensions. Airlines with stricter limits may still require gate-check.

Highlights

  • Underseat fit with compact 14 x 13.5 x 7.5 inch frame
  • 34 litre capacity holds clothing and essentials for short trips
  • Padded compartment protects a 13 inch laptop during transit
  • Built-in USB charging port keeps devices powered on the go
  • TSA-friendly design with quick-access pouch speeds up security checks

Specifications

BrandSwissdigital Design
ModelBASEL Black Underseat Luggage
Part NumberSD-4000
TypeUnderseat Luggage
ColorBlack
Shipping weight6.35 kg
Package size447 × 321 × 203 mm

Questions about this item

Will the 14" height and 34L volume fit under the seat on my next flight?

The bag measures 14" high, 13.5" wide and 7.5" deep with a 34L capacity, dimensions designed to meet most airline underseat allowances.

How do I verify the USB charging port is functioning once I connect my power bank?

Plug a power bank into the internal USB cable, then connect your phone to the external port; the phone should begin charging immediately.

Does the SD-4000 include a power bank for the USB port or must I supply my own?

The luggage provides the built-in USB pass-through cable and a padded 13" laptop pocket; a power bank is not included and must be purchased separately.

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