1
Osprey Daylite Expandable Travel Pack 26+6
17 x 13 x 6 in
2.1 in over against this rule. Not recommended for this rule: length by 1.3 in, width by 1.2 in, depth by 2.1 in.
- Capacity
- 26 L
- Weight
- 1.85 lb
- Laptop
- up to 16"
Exact-rule recommendation page
Best personal-item backpacks for 
Centrum Air
10 products compared against the same reviewed rule, with margins and evidence visible.
Quick answer
Centrum Air's reviewed published personal-item rule is 15.7 x 11.8 x 3.9 in. None of the ranked bags below clears the rule outright, so compare the margins carefully. Small backpack, handbag, or laptop bag up to 30x40x10 cm; other additional items include blanket, reading materials, baby food, umbrella/walking cane, and one duty-free bag.
Rule last reviewed 2026-06-15 · All Centrum Air bag rules
Ranked from the reviewed catalog using published dimensions, calculated fit margins, source confidence, and personal-item suitability. Merchant links may earn This Bag Fits a commission; prices and stock change, so confirm details with the retailer.
Does not fit
2
CabinZero Classic Cabin Backpack 28L
15.4 x 11.6 x 7.9 in
4 in over against this rule. Not recommended for this rule: depth by 4.0 in.
- Capacity
- 28 L
- Weight
- 1.3 lb
- Laptop
- up to 15.6"
3
CALPAK Luka 15 inch Laptop Backpack
16 x 12 x 7 in
3.1 in over against this rule. Not recommended for this rule: length by 0.3 in, width by 0.2 in, depth by 3.1 in.
- Capacity
- 22 L
- Weight
- 1.8 lb
- Laptop
- up to 15"
4
Samsonite Mother Lode Jr Travel Backpack
19.8 x 13.3 x 7.5 in
4.1 in over against this rule. Not recommended for this rule: length by 4.1 in, width by 1.5 in, depth by 3.6 in.
- Capacity
- 32 L
- Weight
- 3.2 lb
- Laptop
- up to 15"
5
Monos Metro Backpack
16.5 x 11.5 x 6 in
2.1 in over against this rule. Not recommended for this rule: length by 0.8 in, depth by 2.1 in.
- Capacity
- 18 L
- Weight
- 3 lb
- Laptop
- up to 15"
6
Baggallini Soho Backpack
15.8 x 11.5 x 5.5 in
1.6 in over against this rule. Not recommended for this rule: length by 0.1 in, depth by 1.6 in.
- Weight
- 1.3 lb
- Laptop
- up to 13"
7
Travelon Anti-Theft Classic Backpack
16 x 12 x 6 in
2.1 in over against this rule. Not recommended for this rule: length by 0.3 in, width by 0.2 in, depth by 2.1 in.
- Capacity
- 13 L
- Weight
- 1.3 lb
- Laptop
- up to 13"
8
Photo pending
Fjallraven High Coast Totepack
15.8 x 12.2 x 5.5 in
1.6 in over against this rule. Not recommended for this rule: length by 0.1 in, width by 0.4 in, depth by 1.6 in.
- Capacity
- 23 L
- Weight
- 0.88 lb
- Laptop
- up to 15"
9
Knack Bags Series 2 Small Expandable Backpack
17 x 12.5 x 5 in
1.3 in over against this rule. Not recommended for this rule: length by 1.3 in, width by 0.7 in, depth by 1.1 in.
- Capacity
- 17 L
- Weight
- 2.38 lb
- Laptop
- up to 16"
10
Photo pending
Open Story Commuter Backpack
16 x 12 x 6 in
2.1 in over against this rule. Not recommended for this rule: length by 0.3 in, width by 0.2 in, depth by 2.1 in.
- Capacity
- 18 L
- Weight
- 1.76 lb
- Laptop
- up to 15"
Buying decision summary
For Centrum Air, start with bags that fit the selected publishedpersonal-item rule of 15.7 x 11.8 x 3.9 in. Prefer source-backed dimensions, soft construction when a fit is close, and enough spare room for the way the bag will actually be packed.
Small backpack, handbag, or laptop bag up to 30x40x10 cm; other additional items include blanket, reading materials, baby food, umbrella/walking cane, and one duty-free bag. These additional items are not included in the measurement of the main carry-on baggage.
Recommendation comparison
| Bag | Fit | Tightest margin | Fit confidence |
|---|---|---|---|
| Osprey Daylite Expandable Travel Pack 26+6 Not recommended for this rule: length by 1.3 in, width by 1.2 in, depth by 2.1 in. | Does not fit | 2.1 in over | high |
| CabinZero Classic Cabin Backpack 28L Not recommended for this rule: depth by 4.0 in. | Does not fit | 4 in over | high |
| CALPAK Luka 15 inch Laptop Backpack Not recommended for this rule: length by 0.3 in, width by 0.2 in, depth by 3.1 in. | Does not fit | 3.1 in over | high |
| Samsonite Mother Lode Jr Travel Backpack Not recommended for this rule: length by 4.1 in, width by 1.5 in, depth by 3.6 in. | Does not fit | 4.1 in over | high |
| Monos Metro Backpack Not recommended for this rule: length by 0.8 in, depth by 2.1 in. | Does not fit | 2.1 in over | high |
| Baggallini Soho Backpack Not recommended for this rule: length by 0.1 in, depth by 1.6 in. | Does not fit | 1.6 in over | medium |
| Travelon Anti-Theft Classic Backpack Not recommended for this rule: length by 0.3 in, width by 0.2 in, depth by 2.1 in. | Does not fit | 2.1 in over | medium |
| Fjallraven High Coast Totepack Not recommended for this rule: length by 0.1 in, width by 0.4 in, depth by 1.6 in. | Does not fit | 1.6 in over | high |
| Knack Bags Series 2 Small Expandable Backpack Not recommended for this rule: length by 1.3 in, width by 0.7 in, depth by 1.1 in. | Does not fit | 1.3 in over | high |
| Open Story Commuter Backpack Not recommended for this rule: length by 0.3 in, width by 0.2 in, depth by 2.1 in. | Does not fit | 2.1 in over | high |
Related checks
FAQ
What size backpack works as a Centrum Air personal item?
Centrum Air's selected published personal-item rule lists 15.7 x 11.8 x 3.9 in. Choose more conservatively when the packed bag may bulge beyond its listed size.
How are these Centrum Air backpacks ranked?
The table compares 10 publish-ready bags against the selected personal-item rule using fit status, calculated margins, source confidence, and bag category.
Should I still measure before flying?
Yes. Small backpack, handbag, or laptop bag up to 30x40x10 cm; other additional items include blanket, reading materials, baby food, umbrella/walking cane, and one duty-free bag. These additional items are not included in the measurement of the main carry-on baggage. Source last checked 2026-06-15.