Pitcher lids are designed to adjust the tightness according to your personal preference as shown. Loose lids is easy to take off and pour water, if you feel that the lid is not tight well, please don't mistake it for a defective item, just remove the rubber ring and install it in reverse. In that way, the lid will be tight enough when pouring The pitcher is made from borosilicate glass which is lighter and stronger than regular glass, hand blown, heat-resistant and 100% lead-free. We recommend using sliced strawberries, oranges, mango, lime, cranberries, raspberries, ginger, mint, cucumbers, melons, and pineapples! The Pitcher will make tasty, healthy hydration a pleasurable and convenient experience.