Best Nana CREWCUP 40oz   Each 40oz CREWCUP is: Stainless steel with a handle.  Comes with our Anti-spill custom fit straw and lid.  Perfect for hot and cold drinks!! 🥤 We use a 3D printing technology making our designs and tumblers super durable. They are stainless steel, and dishwasher safe. 🧼  FEATURES: - Keeps drinks COLD for over 24 hours - Keeps drinks HOT for 12-14 hours - Dishwasher safe! The design will never come off! - Durable and made of high quality double-walled stainless steel!