Silicone Valve Flip Top Cap D40 PP and Silicone Material. Premium Material Composition: Constructed from durable PP and Silicone materials for safety and longevity. Customizable Appearance: Offers glossy finish with optional color and thread size customization. Versatile Printing Options: Supports offset, silkscreen, foil hot-stamping, and label printing. Ergonomic Design: High-grade appearance with comfortable opening and closing feel. Waste Reduction Control: Designed to control usage limits and prevent product waste. Hygienic Protection: Prevents sanitation issues and pollution for fluid food applications. Wide Application Scope: Suitable for cleansers, shampoos, lotions, and other fluid foods. Flexible Customization: Supports customization of color, material, printing, and size.