It is an eco-bottle that features the warmth of bamboo and the cool touch of stainless steel. It is made of high-quality material 18/8 (304) stainless steel that does not rust, and has a vacuum double structure with high heat and cold insulation performance. With a convenient handle, it has a simple and compact design that achieves lightness. The two layers are vacuumed, which does not allow heat from the outside to pass through and does not allow the heat of the drink to escape. Both heat and cold are kept for 6 hours, condensation is hard to form, and drinks are delicious and long-lasting. It is a direct drinking type that can be drunk immediately after removing the lid, and the mouth is gentle to the touch. There is a silicone ring between the cap and the body of the bottle to seal the drink well and prevent leakage. It has a simple structure and the silicone ring can be easily removed, making it easy to wash.