These translucent plastic lids fit 12 to 24 ounce paper cups. The x-shaped slot stays closed to around the straw to reduce splashing. The bubbles are easy to push down, allowing operators to mark the contents of the drink.Model #: LCRS-22 Material: Polystyrene Bubbles for Cola, Diet and Other Slot for straw Translucent, flat lid Ship Weight: 9.7 lbs 6000614