The contigo grand ss is a portable, leak-proof giant powerhouse to maximize adventures. Thermalock double-wall vacuum insulated 18/8 stainless steel will keep drinks hot for up to 22 hours and cold for up to 43 hours: beer or water - it doesn’t matter, as the new grand works with carbonated drinks. Ideal for any adventure, its rugged powder-coat finish gives you a textured grip even when your hands are wet or sweaty. The durable, flexible tpu lid tether means no loose parts and acts as a carry handle for on-the-go. Additionally, the skid-proof soft traction bottom pad eliminates clinking.