Silicone Valve Flip Top Caps 45 mm PP and Silicone Material for Tube Cosmetic Packaging Glossy Appearance. Customizable Color: Available in any color to meet specific branding needs. Versatile Printing Options: Supports offset printing, silkscreen, foil hot-stamping, and labeling. Premium Material Composition: Constructed from durable PP and Silicone for long-lasting use. Ergonomic Design: High-grade appearance with a comfortable opening and closing feel. Waste Control Mechanism: Valve design helps control flow limit to avoid product waste. Hygienic Protection: Prevents pollution and ensures sanitation for cosmetic contents. Wide Application Range: Suitable for cleansers, shampoos, lotions, and fluid foods. Flexible Customization: Offers full customization for color, material, printing, and size.