Keep your favorite drinks hot or cold longer with these slim but durable and effective neoprene insulation sleeves. Unlike inferior insulating cozies, our great looking sleeves feature premium quality neoprene and reinforced stitching, ensuring durability and long life. They absorb condensation while making handling hot and cold drinks more comfortable. Our sleeves are very stretchable so theyll fit virtually any sized mason jars, including the larger 24oz and quart sizes. They can even fold and roll down to fit smaller jar sizes. They also add a layer of protection to prevent your glass jars from cracking without adding bulk. Their thin profile allows them to stand up without tipping over. These mason jar insulators feature a reversible gray-colored sleeve that can turned inside out to basic black. They also come in reversible teal and purple. They feature a sturdy tab loop that makes them easy to pull on and off and provides one-finger carrying. And their quality materials and reinforced construction make them easy to care for: they are machine washable for easy cleaning. Trust Masontops for the very best in mason jar accessories!