The Zojirushi Sm-Ta36Pa is a high-quality stainless steel vacuum insulated mug with a capacity of 0.48 liters. It features a double-layer stainless steel vacuum insulation structure that keeps the temperature of hot and cold drinks for several hours. The flip-top lid with a safety lock makes drinking more convenient and prevents drinks from overflowing. The bottle mouth has a special rounding process for a smoother and more comfortable touch and easy cleaning. The mug is lightweight, compact, and made of BPA-free plastic and 18/8 stainless steel, ensuring durability and safety.