VEAIDE travel containers for toiletries are made of high quality PETG plastic and are available in three different sizes of 0.17/0.5/1OZ to meet your different needs. Each container has a screw cap with a leak-proof gasket to make it safer when transporting liquids. The 0.5OZ and 1OZ containers have leak-proof gaskets and inner liners. To ensure leak-proofness, please do not discard the inner liner.The 5g containers have only leak-proof gaskets and no inner liners, but are guaranteed to be 100% leak-proof. Multipurpose, Reusable and durable Jars Lightweight and perfectly sized, these VEAIDE Refillable Jars are ideal for storing liquids, creams, necklaces, rings, Small jewelry and so much more. These travel size jars fit comfortably in carry-on bags, purses, duffel bags and suitcases to take on flights, cruises, camping trips, picnics, the beach, to the gym or work, and anywhere else you need to go. You get what you pay for: Thay have excellent impact resistance, not as easily broken as glass jars；Thay have excellent weather resistance, can prevent UV damage to beauty contents from sunlight.They are sturdy, more durable than acrylic and PET jars. You can drop them and bang them around without fear of breaking.Thay are recyclable and safe for the environment;Each screw lid has a foam gasket to increase the air tightness between the lid and the jar. Don't worry about the leakage of liquid, it will give you a safe trip.