Premium quality double wall vacuum insulated travel water bottle uses high tech insulation methods to prevent heat transfer to the outer walls of the tumbler, keeping your cold drinks ice-cold for up to 24 hours and your hot drinks hot for up to 6 hours. Complete with a screw on lid features an easy flip top, soft rubber finger hold, rasied ridges for easy opening and closing, and a rigid and removable straw for easy cleaning. Hand wash only. You pick from 12 designs, 8 colors and custom text or monogram.