Features: It has double-wall vacuum insulation, a leakproof flip straw, and an easy-to-carry handle. Material: It's made from BPA-free 90% recycled 18/8 stainless steel and recycled plastics from discarded fishing nets. Functionality: It keeps drinks cold for 12 hours and iced for 2 days. Convenience: It's dishwasher safe and cup holder friendly some scratches on outside