You care about the environment? Do you like a nice and practical design? If so, the reusable bottle of the Dopper brand will be completed by a dedicated carabiner. The unique design by Rinke van Remrtel, the highest quality materials used for production (without BPA and phthalates) are consistent elements of the brand. The carabiner can be easily put on a bottle. Thanks to this solution, the bottle can be attached to a bag or backpack and always have it at hand!It is also worth mentioning that the Dopper brand has become a very important part of Dutch culture. This is due not only to the exceptional design and quality of workmanship, but above all to the social mission. By using reusable bottles, we can reduce the amount of plastic waste. In addition, 5% of the company's profits go directly to the foundation, which supports, among other things, projects related to the supply of drinking water in Nepal and the purification of the oceans.Specifications: suitable for all bottles of Doppercarabinese is not designed for climbingdimensions and weight: diameter 4,6 cmheight 12,5 cmweight 26 gmaterials: TPE (suspension)aluminum (carabinese)