Simple test tube containers for storing lip gloss and other liquid cosmetics. Each tube includes a rubber bushing that fits into the opening to reduce air exposure and prevent unnecessary leakage, helping preserve product quality and improve storage performance. Key benefits Keeps liquids secure: rubber bushing prevents overflow and minimizes leakage during storage and transport. Preserves formulation quality: limits air ingress to slow oxidation and maintain consistency. Versatile for use and DIY: suitable for prefilled lip gloss, small batch production, samples, and other cosmetic liquids. Professional presentation: neat, leakresistant packaging supports better organization and easier handling. Product attributes Function: storage and dispensing of lip gloss and similar liquids; helps control leakage and air exposure. Compatibility: works with a wide range of lip gloss formulations and other liquid cosmetic preparations. Components: each test tube is supplied with a rubber bushing designed to seal the opening and reduce unwanted air flow. Performance: designed to improve storage reliability, reduce spills, and maintain product condition. Practical use scenarios Smallbatch makers: fill tubes with newly mixed lip gloss for sample distribution, testing, or limited runs while maintaining product integrity. Retail and samples: use sealed tubes for display testers or sample giveaways to reduce leakage and preserve product consistency. organization and travel: store favorite shades or mixes securely for touchups on the go without spills. This product is a practical, nononsense solution for anyone who needs reliable smallvolume storage for lip gloss and similar liquids.