Let us present the Keystone Baseball Tumbler - your ultimate sidekick for all your adventures! This double-wall, food-safe stainless steel tumbler keeps your drinks piping hot for 12 hours or refreshingly cold for 24. The powder-coated exterior adds a stylish touch, while the plastic screw-on lid and matching straw make it both functional and playful. And, it's completely safe and BPA-free!
