【SAFETY】BPA free ensures safe drinking without wierd odors or tastes, healthy and environmental. Safe for liquids up to 392°F(120°C)and cold to -58°F(-50°C). Note: we do not recommend using it for liquid above 140°F (60°C) to avoid burning your hand while holding it. 【LEAKPROOF】Seal tightly with double-locking ring design and no leak even you squeeze it. Safe to carry it in your purse, backpack, bag. 【PORTABILITY】500ml liquid bottle weighs only 5oz. bottle. It can be folded from 8.2 inch to 4.5 inch in height. Collapsible design allows you to save almost 50% space, make it easy carrying for sports, travel, gym. 【EASY TO CLEAN】Unique mouth design with free cleaning brush makes portable water bottles clean the interior easily.
