Big T Tumbler 660ml

This Tupperware® big T Tumbler is designed for keeping drinks hot or cold for extended periods and features a leakproof lid, dual drinking options, and a protective finish.

• The description claims the tumbler can keep hot drinks for up to 2 hours, cold drinks for up to 11 hours, and iced drinks for up to 28 hours.
• The description claims the tumbler is for use with beverages up to 167°F / 75°C with the straw removed.
• The description claims content stays above 60°C with a starting temperature of 75°C for the hot claim and below 16°C with a starting temperature of 4°C for the cold claim.