Colorado State Flag Straw Hole Tumbler Lids for Mason, Ball, Canning Jars (4 Pack, Wide Mouth) Turn your Mason jars into Colorado Proud tumblers! They fit a regular mouth or wide mouth Mason jar and have an 10mm straw hole. They pair perfectly with stainless steel straws, glass straws, or paper straws! Jars and straws sold separately. You can choose to use them with any size of Mason jar. Half pint jars are great for kids or for cocktails, and pint or quart jars are perfect for water, soda, juice, iced tea, or whatever you feel like sipping on. They are perfect for everyday use or for birthday parties, baby showers, weddings, and any other social gathering! Hand wash and dry only  they are not dishwasher safe. These straw hole lids are made of tin plated steel with a plastisol liner. Your entire Mason Jar Lifestyle order ships for a flat $3, or free over $35. Check out our straws and other products! Usually ships in 1 day via USPS First Class from Denver, CO.