How to use: 1. Open the bottle cover. 2. Pull out the sealing plug. 3. Put the stopper in the bottle cover. 4. When the baby urinates on his own, he can hold the bottle cover and align it with the mouth of the bottle. 5. After urinating, put back the plug. 6. Put the lid back on to ensure that the sealing does not leakage urine. Specification: item type: pee training cup, material: pp, tpe, silicone. Product size: approx. 19 x 8cm or 7.5 x 3.1in. Package list: 1 X pee training cup. Note: the urinal test leaks, first check the 2 sealing rings