I have never heard of trader sam's. Looks like a cool place. Where is it? Is it inside Disneyland?
Trader Sam's is at the Disneyland Hotel, near the pool.
My children and I (DS 10, DD 9) went to Trader Sam's last December. Both kids ordered a non-alcoholic drink which we requested to be served in a tiki glass. If you're willing to pay the extra price, they're willing to sell you the glass (at least that was true last December). At that time, they had two versions.