Platinum Silicone Reusable Drinking Straws for Kids and Adults, Mason Jars and Other Glasses and Cups (10 Short Straws + Cleaning Brush) 10 Pack of Clear Platinum Silicone Straws + Straw Cleaner. 9.5mm outside diameter, 7.5mm inside diameter, 5.75" long. Get the Right Length - Made for Half Pint (8oz) Mason jars, but also the right size for kid cups, coffee mugs, cocktail / rocks glasses, and wine glasses. All Purpose Size - Great for smoothies, milk shakes, protein shakes, yogurt, blended drinks, and also for water, juice, iced tea, coffee, soda, and almost anything else. Soft and Chew Resistant - Unlike plastic straws, your kids can chew on these straws and not ruin them. Because it is flexible, silicone is the safest reusable straw material available. Highest Quality Silicone - Platinum cured silicone rubber is dishwasher, freezer, and microwave safe. Silicone is a safe, plastic-free, BPA-free material that does not leach any chemicals like plastic can. Meets FDA and LFGB (European) standards.