Feels and looks like glass. Tossware products are made with the highest quality BPA free recycled polymer and patented space saving stackabitlity with crystal-like clarity. Shatterproof, yet uniquely engineered thin rim provides the luxury feel of a high end tumbler with an exclusively designed anywhere sleeve that allows you to carry your tumbler straight out of the box and take it anywhere you want to go. It is 100% recyclable, so once the event is done, toss your tumbler in the recycle bin, not the trash.