Orange and cream-colored tumbler with a strap, suitable for 500-670ml, with cold and heat retention functions. - Color: Orange and cream - Capacity: 500-670ml - Design: With strap, portable - Functions: Cold and heat retention Thank you for viewing. ● Compatible with 500ml to 670ml plastic bottles, size can be adjusted with cushion rubber. ● Features a foldable handle & an adjustable strap, making it convenient to carry! ● Keeps drinks cold with its cooling effect! Enjoy refreshing drinks for a long time, whether you're out and about or at the office, especially in the upcoming hot season. ■ Specifications ■ For 500-670ml plastic bottles only Not for use with: microwave, oven, direct fire, dishwasher, dish dryer, refrigerator, freezer Heat retention: 48°C or higher (1 hour) Cold retention: 4.6°C or lower (1 hour)