The flasks are 750 ml, made from durable double layered stainless steel, and has an insulated layer that keep drinks cold for 18 hours and hot for 12 hours.
Care Instructions:
Avoid storing fizzy drinks for long periods: This can cause pressure buildup, potentially popping the cap or damaging the bottle.
Hand wash only: Not dishwasher safe. Clean with warm, soapy water and a bottle brush. Avoid abrasive sponges.
Remove silicone handle before washing and drying: Ensure thorough cleaning and drying by removing the silicone handle.