Health conscious (87%) & environmentally conscious (83%) American consumers trust glass bottles & jars to protect their foods & beverages & themselves from harmful chemicals often found in alternative packaging materials, according to a survey of 1,000 Americans conducted by Opinion Research for the GPI. 60% of consumers feel glass bottles & jars have the least negative impact on their health compared to other packaging materials, such as plastic (9%) & aluminum (7%), & over two-thirds of respondents say knowing that a food or beverage container has an impact on their health influences their purchasing habits. In fact, 81% of respondents have seen, read, or heard that certain food & beverage containers leach or seep chemicals into the contents, & think glass bottles & jars are least likely to leach or seep chemicals while plastic bottles or containers are most likely (82%). Consumers also believe glass containers (69%) are the safest to use in a microwave, with most glass jars offering in-package microwave convenience with no need to transfer foods to another container, and without the leaching concerns of plastic.