Swig's Stemless Wine Glasses and Tumblers bring together playful style and powerful performance, perfect for enjoying your favorite beverages on the go or at home. Made from double-walled, vacuum-insulated stainless steel, these tumblers keep drinks cold for up to 9 hours or hot for up to 3, all while preventing condensation. The stemless design offers a modern, casual feel, while the secure, spill-resistant lids make them ideal for everything from picnics and poolside lounging to cozy nights in.