If you are searching for a bag with a 20 cm dimension, the closest matches in this selection are travel bags measuring 40 × 30 × 20 cm, with a 20 cm depth. The suradar, suratio, and coofay backpacks are best for organized personal-item travel; the Hanke tote suits travelers who want a foldable bag with multiple compartments; and the COSCOOA duffel offers more capacity but is larger than a 20 cm-deep bag. Check the airline’s current size rules before flying.
| Bag | Listed dimensions or capacity | Best suited for |
|---|---|---|
| suradar travel backpack | 40 × 30 × 20 cm; 20L | Organized short trips |
| suratio travel backpack | 40 × 30 × 20 cm | Travelers carrying a laptop |
| coofay travel backpack | 40 × 30 × 20 cm | Travelers needing a shoe compartment |
| Hanke travel tote | 40L; dimensions not provided | Expandable storage and wet-dry separation |
| COSCOOA duffel | 55 × 40 × 20 cm; 45L | Travelers needing a larger duffel |
suradar 20L Travel Backpack
The suradar backpack measures 40 × 30 × 20 cm externally, including handles and zipper bulge, and has a stated 20L capacity. Its dimensions make it a close match for shoppers seeking a bag with a 20 cm side. The product is described as designed for Ryanair and Wizz Air personal-item travel, but airline rules can change.
It has three main compartments, multiple pockets, and a wet-dry compartment to separate damp or dirty items from other belongings. Padded adjustable shoulder straps and two padded handles allow backpack or hand carry, while a luggage strap provides another carrying option. Best for: travelers who want a compact, compartmentalized bag for a short trip. Limitation: its 20L capacity is smaller than the duffel and tote options.
suratio Backpack With Laptop Sleeve
This backpack measures 40 × 30 × 20 cm and opens flat from 90 to 180 degrees for suitcase-style packing and screening. Its listed features include a padded sleeve for a laptop or tablet up to 14 inches, two front zipper pockets, two side pockets, and an interior mesh zipper pocket.
The layout provides separate places for electronics, travel documents, and smaller essentials. The product listing says it is designed for Ryanair and Wizz Air personal-item dimensions and mentions use with several other airlines; verify the current allowance for your specific flight. Best for: travelers who want a 20 cm-deep backpack with a dedicated device sleeve. Limitation: the listed laptop sleeve is sized for devices up to 14 inches, so larger devices may not fit.
coofay Backpack With Shoe Compartment
The coofay backpack measures 30 × 20 × 40 cm, equivalent to 40 × 30 × 20 cm when expressed as height, width, and depth. It has a separate computer compartment for a 13.2-inch laptop, interior pockets, a wet pocket, and a shoe compartment intended to hold one pair of sneakers.
Its polyester fabric is described as suitable for light rain, and the bag is intended for short trips and business travel. Best for: travelers who want to keep shoes separate from clothes while carrying a laptop and everyday essentials. Limitation: the shoe compartment is specified for one pair, and the water resistance claim applies to light rain rather than full submersion.
Hanke Foldable 40L Travel Tote
The Hanke tote is a foldable, expandable bag with a stated capacity of 40L and 11 pockets. Its features include a dedicated laptop sleeve, an independent wet-dry pocket, and external pockets for items such as a water bottle or umbrella. The fabric is described as water-, stain-, and oil-resistant.
Because the listing does not provide exact external dimensions, shoppers who need a bag precisely 20 cm deep should confirm the measurements before buying. The product is described as suitable as a personal item, but airline size limits vary. Best for: travelers seeking a packable spare bag with substantial storage and separation for damp items. Limitation: listed capacity alone does not establish whether the filled bag will meet a particular airline’s size rules.
COSCOOA 45L Foldable Travel Duffel
The COSCOOA duffel measures approximately 55 × 40 × 20 cm and has a stated 45L capacity. It is made from lightweight nylon described as water-resistant and anti-scratch. Carrying options include top handles, shoulder carry, and a sleeve for attaching the bag to a trolley case.
The listing also describes an included clear toiletry bag measuring 20 × 15 × 6 cm. Best for: travelers who prioritize a roomy duffel, flexible carrying, and a compact toiletry pouch. Limitation: at 55 cm long, the duffel is larger than the 40 × 30 × 20 cm backpack options; confirm whether it qualifies for your intended baggage allowance.
Buying Guide: How To Choose A 20 Cm By 20 Cm Bag
Does “20 cm” mean depth or width?
Check all three external dimensions rather than relying on a single measurement. In this selection, three backpacks measure 40 × 30 × 20 cm, so 20 cm is the depth—not a 20 × 20 cm footprint. If you need two sides to measure exactly 20 cm, none of the listed products has confirmed dimensions that meet that specification.
Which bag style fits your trip?
- Choose a backpack for hands-free carrying and organized compartments. The suratio adds a device sleeve, while the coofay adds a shoe compartment.
- Choose a tote if folding for storage, higher capacity, and wet-dry separation matter more than confirmed dimensions.
- Choose a duffel if you need a larger 45L carry option and several ways to carry it, but check baggage-size limits carefully.
What should you verify before flying?
Compare the packed bag’s external dimensions with your airline’s current personal-item or carry-on allowance. Include handles, pockets, and bulges where relevant; the suradar listing explicitly includes these in its measurements. A product described as airline-friendly is not a guarantee that it will qualify on every route or fare.
How much capacity do you need?
Capacity is only one part of the decision. The 20L suradar backpack is the most compact option with a stated volume, while the Hanke tote and COSCOOA duffel list 40L and 45L capacities. Larger bags can hold more, but their packed dimensions may be less suitable for strict personal-item limits.
Frequently Asked Questions
Is a 40 × 30 × 20 cm bag the same as a 20 × 20 cm bag?
No. A 40 × 30 × 20 cm bag has three different dimensions. It is 20 cm deep, but its other sides measure 40 cm and 30 cm.
Which listed bag has confirmed 20 cm depth?
The suradar, suratio, coofay, and COSCOOA listings provide dimensions that include a 20 cm side. The Hanke listing does not provide exact external dimensions.
Which option has the most stated capacity?
The COSCOOA duffel lists 45L, compared with 40L for the Hanke tote and 20L for the suradar backpack.
Can I assume these bags fit every airline’s personal-item rules?
No. Baggage allowances vary by airline, route, and fare, and rules can change. Confirm the current size requirements with your airline before traveling.