Is ABS a good shell material for a carry-on?

ABS is the most common budget hardside plastic. It is rigid and light but cracks under hard impact more readily than polycarbonate or aluminum. It suits careful travelers and short trips.

Does the 20-inch size meet carry-on limits?

A 20-inch hardside is the standard carry-on class and fits most major airlines' overhead bins. Check your airline's exact linear-inch limit, since expanded depth can push it over on strict carriers.

How does the TSA lock work?

It is a combination lock that TSA agents can open with a master key for inspection without cutting it. Set your own code and keep it with you; the lock secures the zipper pulls.

What is the 20% expansion for?

A zippered gusset adds depth so you can pack more for the return trip. Expand it only when needed, since the extra depth can exceed some airlines' carry-on limits.

What is inside the case?

A split interior with a mesh pocket section for wet or small items and X-shaped securing straps on the other side. There are no exterior pockets.

How does it compare with polycarbonate carry-ons?

Polycarbonate flexes and absorbs impact better and usually weighs less, but costs more. The Taoset covers the same features, lock and spinner wheels at the entry level.