This bath bomb is 3 ounces.  This size is perfect for a quick soak or using a basin tub for soaking tired toes. 
Ingredients:  Baking soda, citric acid, sodium lauryl sufuacocetate, apricot kernel seed oil, cream of tartar, buttermilk powder, witch hazel, distilled water, polysorbate 80, phalate-free fragrance oil and/or essential oil, mica.
"Lavender bath bomb"  is scented with Lavender essential oil. 
"Spearmint-Eucalyptus bath bomb" is scented with essential oils of spearmint and eucalyptus.
"Bloom & Bliss", "Oats, Milk & Honey", "Orange Cranberry" bath bombs are scented with phalate-free fragrance oils.