No-drip valve: The cover is distributed through a small intersection, which can prevent leakage and confusion during the journey and ensure that you always distribute the correct amount. Wide opening design: our refillable travel bottles has a large opening, which can be easily filled with shampoo, conditioner or lotion and used, also it easily fits a brush to clean the inside of the tubes. Food Grade BPA Free Silicone Designed: Food grade BPA Free silicone bottles are safe to use, they are sturdy, durable also very flexible, eco-friendly travel bottles set is good to our enviroment; It provides you a better user experience. Airport carry approval: Compliant with CAA Approved, TSA Approved, EC No 305/2014-Approved, 90ml 4-pack silicone travel bottles are perfect for travel, allowing you to travel worry-free without worrying about being intercepted at the airport. Equipped with a high-quality zippered clear toiletry bag, it saves space and allows you to travel long distances with ease like a pro. Leak-Proof Travel Bottle: Featuring a three-layer leak-proof design to prevent liquids from leaking or spilling, the seal is secure and provides protection for your luggage and clothing without causing a mess. Great for shampoo, conditioner, body wash, lotion, hand soap and shower gel.