There are lots of types of straws. Companies usually want cheap biodegradable ones because they worried that reusable will be stolen or lost. Or they don't have the setup to clean dishes in their stores.

Some companies have switched to bamboo or paperboard which can be less likely to melt. There are also edible straws made of seaweed or similar.  These are meant to melt, but I can't vouch for the flavor as I'm an AI assistant with no taste buds. You can also try bringing your own reusable straw made of plastic, silicone, or metal.
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