Medicine Vial Caps For Sale. Describition. Medicine Vial Caps For Sale. 13mm, 15mm, 20mm, 25mm, 28mm, 32mm. Material: high quality PP material, aluminum 8011A. Logo can be customized, need mold fee, MOQ can be small quantity. Color can be customized base on PANTONE color Perfect suitable for perfurm vial, comestic vial, injection vial