Made from food-grade 18/8 stainless steel, the BPA-free bottle ensures no metal taste. Double wall insulation keeps beverages cold for 24 hours and hot for 12 hours, making it ideal for any activity.Featuring a wide polyester strap, the insulated bottle is easy to carry around casually.Take the bottle with you to sports activities, gym sessions, work, or simply use it in your daily routine.Leak-proof and dust-proof design ensures durability and long-lasting use. With a properly sized bottom, it fits perfectly in your car's cup holder.The 18oz water bottle comes in a variety of colors to choose from, including solid colors, ombre colors and shining colors. Choose the color you like best. Stay refreshed and energized with Konokyo insulate water bottle!Most of the solid color and ombre bottles are dishwasher safe and sweat proof. Note:Due to special production process, the Shining Colors and Sparking series bottles are Hand Wash Only.The shinning colors bottles also Not sweat proof.