That's a brilliant idea; I wash and use them all the time. I try to recycle all the cups my kids get from places like Tim Hortons, Starbucks and Panera, wash the cups and lids and reuse them with those straws. I highly recommend buying these, they are durable, never break, come in a variety of colors and seem like a fair price to me. I also buy 11" straws for larger cups.
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