Hydro Flask Insulated Stainless Steel Wide Mouth Water Bottle and Beer Growler, 64-ounce Bundle with Juglug Sold with ultra convenient JugLug as bundle. Double wall vacuum insulation keeps beer and water cold for up to 24 hours and coffer or tea hot for up to 12 hours Premium grade 18/8 Stainless Steel BPA free Water Bottle and Beer Growler Colorful powder-coated matte finish exterior that never sweats A great way to give back Hydro Flask donates 5% back to a charity of your choice The lifetime warranty makes Hydro Flasks the best beer growlers and water bottles