From camping with friends to backyard BBQ's, this wine tumbler will be your new go-to wine cup. Thermo 3D® double wall vacuum insulation keeps hot stuff hot and cold stuff cold. 18/8 medical-grade stainless steel doesn't transfer flavor or leave a metallic aftertaste. Features Hardshell™ Powder coat for great color and prevents peeling. Press-on lid prevents splashes. BPA and PVC free. Hand wash recommended. MiiR® gives at least 1% of revenue to nonprofit organizations whose work empowers communities while benefiting the health of their natural environments.