Double Wall Insulated Tumbler with a unique Wine Glass inner liner design. Tumbler is produced using BPA Free shatter proof clear SAN Acrylic Material. Doublewall construction prevents condensation and keeps beverage at controlled temperature for an extended period of time compared to glass material traditional wine glasses. Vino2Go is available with a push on slide open and close function lid available in 2 lid colors to protect from spills and to keep your beverage inside free from insects and or airborne particles during outdoor casual use. Made with BPA free materials. Handwash only. Great for the Pool, Patio, Beach, Boating, Picnics and anywhere glass breakage could be a potential safety issue.