Review on 🚢 Premium Captain's Cruise Kit: Shampoo & Conditioner Bottle Flasks + Sunscreen Tube Flasks (66oz Total) - Sneak Alcohol On Cruise Set - Rum Runner, Take Liquor Anywhere! by Adam Gerome

Worked great on the Galveston Carnival Cruise Feb 2019. Just make sure you fill the shampoo bottle to the brim so the liquid doesn't slosh around in it, shampoo is usually thick and doesn't swirl around like alcohol. Also remember to leave it in the luggage compartment along with other shower products. If you are bringing multiple bottles, arrange them among your other checked bags. I haven't tried the lotion bottle, only the shampoo and conditioner bottles. The bottle cap works very well, seals the bottle and nothing leaks.