iPee Instructions: 1. Empty simulated urine powder into the 4 oz bottle. 2. Fill the bottle with warm water, shake well for 30 sec. 3. Open iPee heating pad and shake to activate. 4. Attach heating pad to bottle using rubber band. 5. Put bottle with heating pad in your pocket or close to your body. In the next 30 - 40 min. temperature will reach between 90 - 100 degrees (body temp). iPee is good for up to 48 hrs after mixing with water. This product is to be used in accordance with all state and federal laws.