These anti-splash lids are designed to prevent liquids from spilling and splashing out of a cup and onto someone. Two sets of holes offer better control of the liquid and direct fluids into the mouth. The lids are easy to clean. Please note, this is a set of six lids only. Cups and mugs are available separately. With a 3 diameter, the lids will fit Independence adapted drinking cups and mugs as well as most other standard cups and mugs. The larger opening should be used for a faster flow of liquid or with a straw. The two smaller openings should be used for a slower, more controlled flow of fluid. Safe for all as the lids are BPA and Latex free. Easy to clean as the lids are dishwasher safe.