The bottle is made from BPA-free material, free of harmful substances. The Tritan used provides safe use without risks of chemical contamination or unpleasant odors. Excellent tightness – The collapsible cap protects the opening from contamination and features a special lock to prevent accidental opening. When closed, silicone seals completely seal the opening and vent, ensuring safe transport and storage without leaks. Comfortable use – The Meteor water bottle is designed to make every outing or workout easier. With its practical handle, it fits securely in the hand and fits into most car and bicycle holders. Opening and closing are easily done with one hand. Easy to clean – The wide opening simplifies refilling and emptying the bottle, making cleaning more straightforward. Warm soapy water is enough to effectively clean the bottle.