Material: Constructed with BPA-free, 90% recycled 18/8 stainless steel.
Insulation: Features double-wall vacuum insulation to keep drinks cold, iced, or hot for hours.
Lid Design: The advanced FlowState lid has a rotating cover with three positions: a straw opening with a splash-resistant seal, a drink opening, and a full-cover top for leak resistance.
Convenience: Includes an ergonomic, comfort-grip handle and a narrow base (on sizes up to 40 oz) that fits most car cup holders.
Size: The specific tumbler in the image is a 30 oz (0.89 L) capacity.