Restaurantware Aluminum Drinking Cups 10 Count 10 Ounce Red Durable Reusable Drink Cup, Rolled Rim Tumbler Dishwasher-Safe Stackable Lightweight Chill Drinkware Finish

https://www.amazon.com/dp/B0FBWKQFNB?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1 Small aluminum cups less than $1 each. Not as strong as titanium but can easily nest in a pot. 11g, 13g with a piece of neoprene beer cozy so you don't burn your fingers.