Swig Vacuum Insulated technology will keep your white wine the perfect kind of cold while you sit out at the pool on a hot summer day, or your coffee hot if you need just one little steamy cup of joe to start your day off right. Clear Short Acrylic Straw. Vacuum Insulated. Cold up to 9 hours and hot up to 3 hours. 304 Grade - 18/8 Stainless Steel. BPA Free Push-Seal Lid. Copper Coated Insulation. Sweat Free. Holds 12oz.