Insulation: Features double-wall vacuum insulation to keep drinks hot for approximately 6 hours and cold for up to 9 hours.
Versatile Lid: Often includes a "2-in-1" or "dual-use" lid, allowing you to either sip through a straw or drink directly from a coffee mouth.
Portability: Equipped with a sturdy carry handle and a compact size (typically 500ml to 550ml) designed to fit in most car cup holders.
Durability: Constructed from 18/8 food-grade stainless steel with a leak-proof screw-on lid.