Swig® 12 ounce Stemless Wine Cup is made with 18/8 stainless steel, and will keep drinks cold up to 9 hours and hot up to 3 with its double-wall, vacuum-sealed copper coated insulation. Non-slip silicone base. Matte Finish. Keep your wine chilled to perfection as you play at the beach or enjoy a piping hot cup of coffee on the porch to kickstart your day. Features a BPA free slide closure lid.