Keeps ice Cold for 30 Hrs or Hot for 9 Hrs, leak proof, spill proof, Fit in Cup holder, Insulated

Hydraful Insulated 50oz Tumbler with Handle and Straw Lid – 100% Leak-Proof – Cupholder Friendly Travel Mug – Reusable Stainless Steel Insulated Tumbler with lid and straw- Ideal Gift for Friends