Cool Gear 32 Oz Ez-freeze Water Bottle BPA, PVC, Phthalates Free. Cove Purple (2-pack) Made with Tritan material - BPA Free EZ-Freeze keeps drink colder with Patented freezer stick (Non-toxic freezer gel inside freezer stick) Twist & lock feature connects freezer stick to cap Overmold grip for easy handling Flip-up sipper with built-in finger loop