Material safety: Our hot cup lids are made of high-quality PP plastic, which you can use with confidence and will not produce any odor With air vent: Each coffee cups lids is equipped with a pinhole, which can make the liquid drink into the mouth more smoothly, but there will be no additional liquid outflow, you can rest assured Quick and easy: Our 3.54 inch disposable lids fit perfectly into 10 oz, 12 oz, 16 oz, and 20 oz paper cups. The dome lids fit tightly to the body without worrying about liquid flow Flap top: Our disposable plsatic lids will make your life more convenient. The flap design can effectively prevent the liquid from flowing out, and drinking the liquid inside the glass is easy Multi-occasion use: You will receive 600 cup covers with a diameter of 90 mm /3.54 inches, these plastic lids can provide more comfort for your various drinks, and are a must in shops, cafes, convenience stores, and restaurants Colour:Black Material:PP Package Contents: 600 x coffee lids Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.