The Stack N Go Vino 2 Set of Wine Glasses make drinking wine anywhere easy. The two fordable wine glasses lock together and have a carry strap at the top. Remove the strap and open the glasses right side up and you're ready to party. Plastic glasses are perfect for the hot tub, pool, beach, etc. where you are not permitted to have glass. Wide base makes it easy to carry even when you have a plate of food in your hands.