This is all my carry-on baggage.
Tenimotsu wa kore dake desu.
hand luggage; hand baggage
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
this (indicating an item near the speaker, the action of the speaker, or the current topic); this person (usu. indicating someone in one's in-group); now; here; I (me); certainly
only; just; merely; simply; no more than; nothing but; alone; as (e.g. as soon as, as much as); worth