Check out our all new cold brew tumbler! You can now use any ground coffee to make your own cold brew at home. Holds 32oz of liquid and makes 4 cups of coffee. 1. Fill up tumbler with water 1 to 2 inches from the top. 2: Rinse the filter with water. 3: Fill with ground coffee to the top of the mesh filter. 4: Screw filter on to lid and place into water. Screw cap tight. 5: Place in fridge for 8 -12hrs 6: Remove lid and filter from tumbler. 7: Stir and wait 5mins for the grounds to settle at the bottom. 8: Screw only the lid on and pour over ice.