Zojirushi SM-PC20/30: This stainless steel mug offers excellent temperature retention, keeping your beverages hot or cold for hours. Its vacuum insulation prevents the outside of the mug from getting hot or cold, making it comfortable to hold. The lid set includes a stopper and gaskets to prevent leaks and spills. The mug is durable and easy to clean, with a wide mouth for easy filling and pouring. It's perfect for enjoying your favorite beverages on the go, whether you're commuting to work, hiking in the mountains, or relaxing at home.