29 Forever Insulated Acrylic Wine Glass with Straw is a 30th birthday wine glass (or is it more?) to celebrate that milestone birthday. The 29 Forever acrylic double-wall insulated wine glass with a straw is BPA-free. The 29 Forever acrylic wine glass is an unbreakable insulated wine glass that keeps your wine cool longer and will not sweat. The 29 Forever Wine Glass measures 3.75" x 8" and holds 13 fluid ounces.