Arm & Hammer, Essentials Glass Cleaner Kit, Contains: 1 Refillable 32 OZ Bottle & 1 Concentrate Cartridge, Delivers Extraordinary Streak-Free Cleaning On Windows, Mirrors & Other Glass Surfaces, Fill The Empty Bottle With Tap Water, Twist On The Attached Cartridge That Is Filled With Powerful Plant-Based Cleaners To Easily Create A Powerful Glass Cleaner That Is Effective & Safe, When Bottle Is Empty Reuse With Refill Cartridge Mfr #32150.