I've had my eyes on one of these for a while. We have an REI that's not too far from the house. Just so happened that I was on that side of town tonight, so I stopped in and browsed around and picked up a Squishy bowl and cup. I wanted a green set, but they only had red and blue.
Initial impression is they are pretty neat. You can't set them on the fire like a metal cup. Though you can turn them inside out and lick them clean. Try doing that with a metal cup. Only a few trips will tell whether they are useful or just another gimmicky product to empty wallets. I will give a report after a few uses.
God Bless Yall!