So we had a homemade sangria bar and it worked out great. Everyone had to add their fruit, the sangria mix (which we made with Monin syrups and placed in a 50-ounce plastic carafe for easy carrying in the fridge), and then their wine. We've used them and they close perfectly and we had no problems with them, the lever is easy to use with your thumb and it was easy to pour into our glasses. Very happy with them, for the price and quality. We haven't stored them for a long time so I can't answer that question, but they were well sealed overnight in the fridge for whites and counter for reds.
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