Pullossa yhden painalluksen avaus- ja sulkemismekasimi jonka avulla pullon käyttö sujuu helposti Nalgene now offers the OTF technique with single-pressure lock for quick and comfortable drinking in combination with the proven bottles for kids. Especially for kids: the bottles are not too big for having a portable weight when filled and have finger grips on both sides for good handling even for small hands. The lid can be 100 % sealed with the metal bracket and also keeps sparkling beverages in the bottle. For quickly refilling and perfectly cleaning just unscrew the entire lid. Made of copolyester, the lid is made of polypropylene.