8oz. Keeps drinks hot for 3 hours, cold for 4 hours, and iced for 16 hours. Double wall vacuum insulation. Leak proof cover clips to packs. Versatile lid system-combine or use solo to pack and sip. Drive-thru lid with splash guard. Single serve brewer compatible. Dishwasher safe. 18/8 stainless construction. Color: Black. Bulk packed.