· Leakproof Design: The bottle mouth thread design is matched with disc top black caps lids to seal tightly and safe perfectly without liquid leakage.· Easy to Open: The disc-style lid lets you open and close with just a finger press, making it easy to dispense contents.· Waterproof Label: We will send a label that can mark the liquid for quick identification and avoid confusion.· TSA Approved: The bottles are lightweight, small and portable, making them perfect for air travel. They are also TSA approved for security purposes.· Multi-Use: These travel size empty bottles are perfect for vacation, business trip, beach, camping, party favors, and can store liquids and toiletries such as shampoo, conditioner, lotion, sunscreen, cosmetics.