Whether you call it a Koozie, a Kozie, a Coozy, a Cozy, or just an insulating sleeve, it’s perfect for protecting your glass jar from breakage and your hand from cold or heat.
Made of food safe silicone rubber, these sleeves are dishwasher, freezer, and microwave safe. Silicone is a safe, non-plastic, BPA free material for food use that does not leach any chemicals.