Stainless steel cooler cup with two different lids. You can use it as a vaccum cup with the sip-through lid, or use it to keep canned and bottled beverages cool with another lid, it can lock the bottle and can in the cup and keep them cool. It is a dual-use product, good to use it for camping, party, or use in car. 7 1/2" x 3 1/2" Diam