Thank you for viewing. Anytime Fitness ANYTIME FITNESS Bottle / Water Bottle Black / Gray With carabiner Hydrogen water bottle It seems designed to prevent hydrogen from escaping! Please be sure to agree to the following before purchasing. Simple packaging. Thank you for your understanding. ✴︎Since this is a personal inspection, there may be oversights. ✴︎Please refrain from purchasing if you are nervous, as it is stored at home. ✴︎If you have any concerns, please be sure to comment in advance. (I will take photos and send you details)