From the product description, check product page for current description, price and availability:

• INSULATED: The Manna Ring Growler is made with double layer insulated vacuum walls for maximum temperature retention. This will keep your beer icy cold and freshly carbonated for up to 24 hours or hot beverage for piping hot for up to 12 hours.
• DURABLE: Made with Stainless Steel, your Growler will last you a lifetime. The matte non slip finish will ensure the grip you need to hang on to it safely while enjoying yourself to the max.
• LEAK & SWEAT PROOF: The Manna Ring Growler is designed with Sweat & Leak Proof technology avoiding any unpleasant spills or condensation leaks. No more wrapping your cold beers in towels when packing your bags when going out to the beach, party, park, boat party, or anywhere where your beer drinking soul desires
• KEEPS HOT BEVERAGES TOO: The Ring Growler will not only keep your drinks cold but also you hot coffee or tea fresh off the fire for up to 12 hours later!
• SAFE: Being BPA and Lead free, this bottle is eco friendly and safe to use. Toxic chemicals should be the least of your worries when simply enjoying your cold or hot beverages amongst your friends.