Anchor Hocking Glass Prep Bowls Custard Cups, 6 Ounce, Set of 4 Set of (4) 6-ounce glass custard cups Anchor Glass mixing bowls are tempered for maximum durability Anchor Glass is a healthier choice over plastic storage; glass does not discolor, retain smells, or leach chemicals into food Dishwasher safe Anchor Glass is MADE IN THE USA