All well and good: Partially made from sustainable bamboo, and with 3% of sales supporting clean water access through wells, this reusable thermal tumbler is a mindful addition to your daily drink ritual. Double-wall, copper-vacuum stainless steel provides 24 hours’ cold and 8 hours’ heat retention. Includes a durable black powdercoat and a screw-on lid with slide closure. Hand wash recommended; do not microwave. 7.27” x 3.65”; holds 16 oz. White/Natural. Engraved Dell Technologies logo.