Covert Flasks 16oz Hidden Shampoo and Conditioner Alcohol Flask with Seals Included - Secret Realistic Cruise Liquor Stealth Flasks SHAMPOO FLASK KIT: Two 473 ml (16 oz) Flasks That Look Like Real Bottles Of Shampoo And Conditioner. 6 PRESSURE SENSITIVE SEALS INCLUDED: Safe Guard Your Bottles With Our Sealed For Your Protection Seals. Easy To Apply And A Breeze To Remove When Ready MULTIPLE USES: Our Tubes Are BPA-FREE And Made From FOOD GRADE Plastic. COST SAVINGS: How Much Will You Save On Your Next Cruise Bar Tab? Satisfaction Guaranteed