Blossom Mason and Canning Jar Sipping and Drinking Lid Caps, Silicone, For Standard Size Mason Jars, 3.5-Inches; Blue; Set of 4 Blossoms Sipping uCaps transform traditional glass mason and canning jars into stylish drink containers by creating a liquid-tight seal Innovative silicone caps seal liquids in and a small hole in the lid fits a drinking straw perfectly Liquid-tight lid keeps drinks spill-proof and bug free Perfect for indoors and outside, parties, picnics, BBQs, camping, and more Reusable and easy to clean; top-rack dishwasher safe