Twist the patented perfect flo valve to select the perfect liquid flow. www.zak.com/best. Insulated! Leakproof vent. Perfect flo valve. High flow. Low flow. Toddlerific! by Zak! No spill! BPA free. Spill-proof valve. Double wall construction prevents condensation. Insulated design keeps drinks colder longer. Easy to use perfect flo valve pops in and out for easy cleaning. Dishwasher safe. minionsmovie.com. Hashtag minions. Universal. www.Zak.com. Food safe. Dishwasher safe, top rack. Not microwave safe. Illumination Entertainment. A movie exclusive! Made in China.