Our carnival provided luggage tags stay on like 99% of the time. I think we have had 1 fall off over 3 carnival cruises which added up to about 100,967 pieces of luggage. hehe, they are pretty durable. On our 1 RCCL cruise, i did like their system of luggage tags and wish carnival would catch on. They are like the airport tags, with one big piece of tape and u tear off the bottom and stick it to the top. They are all pre-printed and came with our documents. that was nice.
Carnival Ecstasy-June 2000
Carnival Jubilee-July 2001
Carnival Pride-June 2003
RCCL Sovereign-Janurary 2004
Carnival Imagination-June 26, 2004