These super shiny sprinkles are classified by the U.S. Food and drug Administration to be inedible, and are sold for decorative purposes only due to the metallic finish. However, in other countries (including the United Kingdom) they are classified as food items. -PET (food-safe) plastic bottles, lids are heat-sealed (tamper-proof) *BOTTLES MAY BE GLASS AND MAY BE DIFFERENT THAN PICTURED DUE TO SUPPLY CHAIN ISSUES* -Sold in sets of 6 bottles -Bottle size is by volume -Retail packaging - each bottle has Wild Angel Treats label, Ingredients/Nutrition Facts label -Shelf Life: up to 3 years in cool, dry, low light space