celexon Economy Line Large projector bag, 40.5 × 29 × 15 cm internal

The listing that answers both questions

Internal 40.5 × 29 × 15 cm. External 43 × 32.5 × 17 cm.

The internal figure says whether the projector fits. The external says whether the bag fits — in a car boot, an overhead locker, a cupboard shelf. Most listings publish one and leave the other to be discovered.

The construction

A rigid hard-shell frame inside a fabric bag. That is the middle position between a soft bag, which relies entirely on padding, and a hard case, which takes an impact and adds bulk. For a projector carried between rooms and buildings, it is the right compromise.

The details that come from use

Plastic feet on the base, so setting the bag on wet ground does not wick damp into the padding that is touching the projector. A detachable shoulder strap. A rear trolley sleeve, for anyone moving through a building or an airport. A separate compartment for the remote and discs, which stops small hard objects rattling around beside the lens.

None of those is a headline feature and all four come from someone having carried one.

The precision worth noting

Water-repellent, not waterproof, and the listing says which. That is an honest distinction: it survives rain between a car and a door, and it is not a case to leave out in it.

What to measure

Your projector with the lens cap on and the feet extended.

Availability

On sale from 30 € to 37 € on the German, American, British, French, Italian and Spanish Amazon stores at the time of checking.

The Spanish Amazon listing is priced above 1.6× the cheapest store, which is normally a reshipping offer rather than a local price; it is left out of the range above.

Prices and availability are what Keepa reported on the date this page was updated; both move.