High Quality Sample Tube: The bottle body is made of PE and the cap is made of PP. It is soft and easy to fill, non-toxic and odorless, leak-proof and well-sealed, washable and reusable. Visual Design: The mini empty tube can store a small amount of cosmetic samples. The transparent design allows you to see the remaining amount directly in the plastic empty tube and add liquid as needed. Easy to Dispense and Use: Divide cosmetic liquids into small portions and place them in the transparent tube. Gently press the bottle to slowly release the liquid. Easy to Carry: Includes 30 pieces of 10ml travel mini empty bottles, sufficient for use in multiple locations. Suitable for pockets, backpacks, handbags, suitcases, and purses. Provides convenient access to lotion whenever and wherever needed. Wide Range of Applications: Travel bottles are suitable for packing and storing shampoos, facial cleansers, shower gels, lotions, conditioners, creams, sunscreens, essential oils, toothpaste, and similar liquids. Ideal for vacations, business trips, camping, swimming, parties, and other occasions.