The best Tumbler you'll ever own with a wrapped Slide logo by Jeremy Dean. MiiR Thermo 3D ™ Double Wall Vacuum Insulation Technology. 18/8 Medical grade stainless steel doesn't transfer flavor & no metal aftertaste. Hardshell™ powder coat (colored tumblers). Lid and cup are BPA free. Press-on lid prevents splashes and keeps drinks warm longer. Cup holder compatible.