These cups are made of durable, eco-friendly, and BPA free polypropylene with the internal recycling rate around 5% typically and never exceeds 10%. You can also use them on get-togethers, luncheons, and other corporate events. These are perfect giveaways as promotional items, fundraising items, or party favors. Our 20 oz Frosted Stadium Cups can be custom-printed with your custom artwork.