The double-walled vacuum water bottle are made of premium food grade 304 stainless steel. Its slim, sleek body fits in standard cup holders, making the hiking bottles convenient for taking on the go. The bottle has a slender, elegant appearance. Designed with delicate, muted hues and sophisticated patterns, it will enhance your office or kitchen and brighten your walks and workout sessions. Beverage will be kept hot for up to 12 hours and cold for up to 24! No sweat on the exterior side to keep your hands comfortable while holding. Drinking more water with this water bottle, suitable for any sports activities, work, school and any scenario in your daily life.Our water bottles have been designed with spill proof and leak proof features for convenient use and travelling.