TOMTOO Insulated Wine Tumbler With Lid,12 oz Double Wall Vacuum Insulated Stainless Steel Wine Glasses for Wine, Coffee, Drinks, Champagne, Cocktails，2 Pack Filtration so there is no gaps

so there is no gaps for ingredients to get stuck

pinches and rust

maintenance and other fields

4mm to 15mm (1/4" drive)

Outside Diameter: 8 15/16"

TOMTOO Insulated Wine Tumbler With Lid,12 oz Double Wall Vacuum Insulated Stainless Steel Wine Glasses for Wine, Coffee, Drinks, Champagne, Cocktails，2 Pack Filtration so there is no gapsExtra thermal copper lining conducts even temperature retention that keeps 12 ounces of hot beverages toasty for over 3 hours and cold drinks chilled for 9 hours Made from 18 8 lightweight, lead free stainless steel that is top rack dishwasher safe and wont alter flavors or leach chemicals Double walled and vacuum insulated tumbler provides a sweat proof and condensation free cup exterior Simple, wide mouth design comes with a rubber gasket, BPA Free