Yes, the Trek Bottle is leakproof. Its inner-body is rust-free, not its outer body.Yes, the Trek Bottle can be used as a thermos. It is made of an insulated double-wall vacuum which keeps the drink hot for 20 hours and cold for 24 hours. Its copper coating assists in maximum temperature retention.No, the Trek Bottle cannot be washed in the dishwasher, and should only be washed with mild detergents.Yes, the Trek Bottle fits standard-size cup holders and the side pockets of backpacks or bags. It has a cool-to-touch body with hot liquids and stays sweat proof with cold liquids.Yes, except for carbonated and alcoholic, the Trek Bottle can store any kind of beverages. We recommend you don’t keep the Trek Bottle in the refrigerator since it is an insulated bottle that will retain your drink’s original temperature.The Hydra Trek range consists of the Black, Green, Teal Blue, Artisan, Granite, Slate, and Maple variants - all of different colours and designs. You are sure to find one that you like!Yes, Trek Bottle is BPA and Phthalate free. All its plastic parts are food grade and it’s made using 100% food grade stainless steel.The Trek Bottle has a powder coating finish which will not fade or wear out with usage!The Trek Bottle is available in a 700ml holding capacity.The 700ml Trek Bottle weighs 400g and has the following dimensions: 8cm x 8cm x 25.8cm.The Trek Bottle has a screwtop lid.The Trek Bottle has a 1-year warranty.The Trek Bottle has a 7-day return policy granted that it is undamaged with original packaging intact. Refunds will be processed once the item is picked up by the logistics partner, within 7 days of the receipt of the product at the warehouse.