Matein

Carry On Backpack

Policy-sensitive Amazon/marketplace row. | Official MATEIN page shows 18 x 14 x 7 in dimensions, expansion to 18 x 14 x 9 in, 35L to 45L capacity, and a 17-inch laptop fit. | Launch-only softness, compressibility, opening, bottle-pocket, and price fields inferred from category and model.

Dimensions: 18 x 14 x 7 in
Capacity: 35 L
Weight: Unknown
Last reviewed: 2026-05-29

Audited dimensions

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Bag data

Audited dimensions

Last reviewed: 2026-05-29
Dimension confidence: high
Primary source: manufacturer

Fit by airline

Airline fit results

Carry-on

Matein Carry On Backpack

Fits

Matein Carry On Backpack fits the published carry-on dimensions for this rule. Still measure the packed bag, including handles and wheels.

Visual sizer

Bag vs airline rule

Fits

Fits. Tightest spare room: 0.9 in.

Dimension-only silhouette

Fits. Tightest spare room: 0.9 in.

Height

Spare room +3.7 in

Bag 18 in / Rule 21.7 in

Width

Spare room +1.7 in

Bag 14 in / Rule 15.7 in

Depth

Spare room +0.9 in

Bag 7 in / Rule 7.9 in

warning: This result uses medium-confidence source data.

Data status

Audited dimensionsSource-linked rule

Rendered from the dimensions shown here. Airline staff and packed shape can still affect the real-world outcome.

Dimension-only silhouette rendered from verified dimensions; no approved product image is available yet.

Bag: 18 x 14 x 7 in
Rule: 21.7 x 15.7 x 7.9 in
Risk: 8/100
Confidence: medium

Margins: length 3.7 in, width 1.7 in, depth 0.9 in.

Bag details Fit details

Personal item

Matein Carry On Backpack

Does not fit

Matein Carry On Backpack is larger than the published personal-item dimensions. Pick a smaller alternative for this airline rule.

Bag: 18 x 14 x 7 in
Rule: 13 x 9.8 x 7.9 in
Risk: 92/100
Confidence: medium

Margins: length -5 in, width -4.2 in, depth 0.9 in.

Main issue: length by 5.0 in, width by 4.2 in.

Bag details Fit details

Carry-on

Matein Carry On Backpack

Risky

Matein Carry On Backpack is over the published carry-on dimensions, but the soft construction may make it a borderline option if lightly packed. Treat this as a fee-risk result.

Bag: 18 x 14 x 7 in
Rule: 21.7 x 13.8 x 9.8 in
Risk: 48/100
Confidence: medium

Margins: length 3.7 in, width -0.2 in, depth 2.8 in.

Main issue: width by 0.2 in.

Bag details Fit details

Personal item

Matein Carry On Backpack

Risky

Matein Carry On Backpack is over the published personal-item dimensions, but the soft construction may make it a borderline option if lightly packed. Treat this as a fee-risk result.

Bag: 18 x 14 x 7 in
Rule: 17.7 x 13.8 x 7.9 in
Risk: 48/100
Confidence: medium

Margins: length -0.3 in, width -0.2 in, depth 0.9 in.

Main issue: length by 0.3 in, width by 0.2 in.

Bag details Fit details

Carry-on

Matein Carry On Backpack

Fits

Matein Carry On Backpack fits the published carry-on dimensions for this rule. Still measure the packed bag, including handles and wheels.

Bag: 18 x 14 x 7 in
Rule: 21.7 x 15.7 x 9.1 in
Risk: 8/100
Confidence: medium

Margins: length 3.7 in, width 1.7 in, depth 2.1 in.

Bag details Fit details

Carry-on

Matein Carry On Backpack

Fits

Matein Carry On Backpack fits the published carry-on dimensions for this rule. Still measure the packed bag, including handles and wheels.

Bag: 18 x 14 x 7 in
Rule: 21.7 x 15.7 x 9.1 in
Risk: 8/100
Confidence: medium

Margins: length 3.7 in, width 1.7 in, depth 2.1 in.

Bag details Fit details

Carry-on

Matein Carry On Backpack

Fits

Matein Carry On Backpack fits the published carry-on dimensions for this rule. Still measure the packed bag, including handles and wheels.

Bag: 18 x 14 x 7 in
Rule: 21.7 x 15.7 x 9.1 in
Risk: 8/100
Confidence: medium

Margins: length 3.7 in, width 1.7 in, depth 2.1 in.

Bag details Fit details

Carry-on

Matein Carry On Backpack

Fits

Matein Carry On Backpack fits the published carry-on dimensions for this rule. Still measure the packed bag, including handles and wheels.

Bag: 18 x 14 x 7 in
Rule: 21.7 x 15.7 x 9.1 in
Risk: 8/100
Confidence: medium

Margins: length 3.7 in, width 1.7 in, depth 2.1 in.

Bag details Fit details