Corkcicle goes where glass can't and has a new Duraprene soft touch finish to last through your adventures with Resizt antimicrobal properties! The wide mouth makes it easy to insert ice dubes and redesigned flip cap is easy open and leakproof! Corkcicle Canteen keeps cool drinks cool for up to 25 hours and hot drinks warm for up to 12 hours with triple-insulated stainless steel easy-grip flat sides and no-slip bottom. No cumber-some cooler needed and no annoying "bottle sweating". No freezing required. Just pour and enjoy!