Rugged, nesting drinkware that goes anywhere.Made of rugged stainless steel, the Glacier Stainless Nesting Wine Glass&'; compactly nesting size and lightweight design goes wherever you do. The unique stem design unscrews to allow the base to be compactly snapped into the bowl for storage. Features: Made to be used on a campground, during a concert, or just in your backyard. Made of copolyester plastic, these nesting wine glasses provide excellent impact resistance. Unique stem design unscrews from glass and compactly snaps into the bowl for easy storage. The nesting red wine glass set can be used on a campground, during a concert, or just in your backyard. The unique stem design unscrews to allow the base to be compactly snapped into the bowl for easy storage into a backpack or box.