flip-off cap for frozen powder pin 

Aluminium-Plastic Cap for Frozen Powder PIN Flip-off cap for frozen powder pin Usage: frozen powder pin bottle, antibiotic bottle 13mm flip-off cap for frozen powder pin Material: aluminum and plastic  flip-off cap for frozen powder pin The material for plastic cap uses the polypropylene resin (PP), where the polypropylene is free of toxin, odor, with sound heat‐resistance and tensile strength complying the national standard; meanwhile the coloring material uses the innoxious, high‐temperature resistant, colorfast and glossy master batch to ensure product quality.