Our 10ml glass roller bottles are tinted cobalt blue to protect the essential oils from the sun’s UV rays. Each bottle has a steel roller ball that allows for quick application and a plastic lid to prevent spilling. Our unique labels list the ingredients as well as the directions for application. Ingredients: Frankincense, Cedarwood, Lime, Laurel Leaf, Peppermint, Eucalyptus, Melaleuca, Lemon, Cardamom, Ravintsara, Ravensara. Wish you or your kids would just Stop Coughing? Here you go! Apply to chest and neck and give it a minute to kick in. It has saved my kids many a times when the midnight hacking starts.