This 12-ounce Camp Mug is perfect for everyday use. It keeps drinks cold for 6 hours and hot for 4hours. The tri-mode lid slides open for flow control The bottle is made with double wall vacuum insulated 18/8 stainless steel with an attractive powder coat finish. The whole thing is dishwasher safe. It is easy to clean and BPA, BPS, and BPF free. The mug includes a laser-etched Ruger | Marlin and is covered by CamelBak's Lifetime Warranty. Made by CamelBak®.