Flat, non-vented lids provide a sturdy seal, helping to maintain beverage temperature. Leak-resistant to allow for convenient transportation without spillage. Usable with a variety of cups and food containers. Fits: 9-22 oz Cups; Material(s): PET; Color(s): Clear; For Use With: Dart® P12S; Dart® P12SB; Dart® P12SR; Dart® P12SW; Dart® P20; Dart® P20W; Dart® RTN20BARE; Dart® RTP12BARE; Dart® RTP9RBARE; Dart® TN20; Dart® TN22; Dart® TP12; Dart® TP9R; Dart® TR16.