Quality: The shower gel inverted bottle cap holder is made of food-grade, BPA-free materials to ensure health is not compromised. It is easy to clean and helps reduce maintenance efforts. Three screw specifications match bottle openings of different sizes, and the sealing gasket effectively prevents leakage. You will receive 6 inverted bottle emptying caps in 3 sizes: 2 caps each of 0.91 inches (2.3 cm), 1.06 inches (2.7 cm), and 1.26 inches (3.2 cm). Gaskets are included. The jar support cap comes with a matching sealing gasket for excellent sealing performance and reliable leak protection. The tripod support design offers enhanced stability, allowing confident use without concerns about tipping or leakage. Easy inversion: Simply replace the original bottle cap or pump, activate the valve, and let gravity do the work. Universal application: Suitable for thick liquids such as shampoo, conditioner, and dishwashing liquid. This versatile device also works well for spice bottles. Open the nozzle for smooth, drip-free flow and efficient dispensing, helping eliminate the last-drop issue.