Long Stainless Steel Smoothie Straws for Quart Mason Jars, Tall Cups, Large Glasses (4 Pack + Cleaning Brush) 4 Long Extra Thick Stainless Steel Smoothie Straws for Quart Mason Jars, or Any Large Cups or Glasses, Plus 1 Long Straw Cleaning Brush. Our 9 long, 9.5mm outside diameter stainless steel straws fit in most straw hole lids. The extra thick 8.2mm internal diameter is ideal for smoothies, yogurt, milk shakes, protein shakes, or for drinking water fast. These reusable metal straws are the perfect length for Mason quart or pint-and-a-half jars! They are slightly rounded on the ends for the comfort of your mouth. They feature our logo and they have threads engraved to resemble a plastic straw. Stainless steel is: Very strong and durable, Beautiful, Reusable and long lasting, Eco friendly, Dishwasher safe, Safe for all types of foods and beverages, Rust proof, Break proof. Stainless Steel is one of the most commonly used materials in the kitchen, used to make cookware, utensils, commercial food processing and storage equipment, and more. Stainless steel will not leach any chemicals into your beverage like plastic can.