The availability of the cleaning kit will depend on the host of your RV. If your RV's host is Indie Campers then the cleaning kit will have 2 small trash bags, 1 big trash bag, one multi-purpose cloth, one sponge, one multi-purpose dish towel, one small bottle of liquid detergent, 2 rolls of toilet paper, and one small broom and dustpan set.
For reservations not hosted by the Indie fleet, you can either contact your host for more details on the cleaning kit or lookout for information under Included Features: