Viva Aerobus carry-on and personal item size

Your personal item must fit under the seat in front of you during the flight and cannot exceed the following dimensions: 18 x 14 x 8 inches.

The FAQ on the same page labels it "18 inches long x 14 inches high x 8 inches wide". No cm on the en-us page. Wheels and handles are not addressed for the personal item, and no weight limit is stated.

Weight limit: 22 lb (10 kg).

Carry-on baggage must be stored in the overhead compartments during the flight and not exceed the following dimensions: 22in long x 16in wide x 10in tall, including wheels and handles. When traveling on Switch fare, if you choose to bring carry-on, the maximum weight allowed is 22 lbs; for Smart or additional weight, you can carry up to 33 lbs.

The FAQ restates it as "16 inches long, 10 inches wide, and 22 inches high", the same box. The fares page gives "one carry-on bag up to 10 kg" (Switch) and "one carry-on bag of 15 kg" (Smart). Older 2021-22 blog and tariff pages reference retired fare names (Light/Extra).