Vented White Lids Are Designed For Use On Dart 10J12, 12J12, 14J12, 14Fj12, 12X12, 6Sj12, 8Sj12 And 6B12 Cups (Sold Separately). They Are Great For Containing Liquids When You'Re On-The-Go. Vented Plastic Construction Allows Steam To Escape For Safe Use With Hot Beverages. High-Quality Lids Fit Tightly On Cups To Prevent Drips Or Spills. They Do Not Have A Straw Hole.