7 Piece Silicone Super Stretch Lids - Bonus 10 " Stretch Lid Sizes cover the following diameters: 2.75", 3.9", 5.1", 5.7", 6.7", 8.3" and BONUS 10 " Food-Grade Silicone Is Dishwasher & Freezer Safe Perfect For Bowls, Dishes, Plates, Cans, Jars, & Mugs Reusable Will Not Warp Usable in heats up to 420 degrees F.