Merry Grinchmas Tumbler is a 20oz insulated cup that offers excellent insulation due to its vacuum double wall design. It is suitable for all seasons, making it perfect for keeping both hot and cold drinks at the desired temperature for up to 12 hours. The tumbler includes 1 spill-proof lid, 1 stainless steel straw, 1 straw brush, and 1 non-slip silicone base to prevent slipping on smooth surfaces.
