First Step, please Rotate Open the * *Spring Leak Proof Button**on the top BEFORE use the travel urinal bottle;and Close it to prevent water leak when not in use. Potty Cup Max capacity :500ml . Size : 7.3 in (high) ,3.3 in (diameter) .Applicable age: 1-10 years old. It can hold one to three times of urine output for children. Upgraded and Ultra Sealed -Very Portable Urinal, New version with increasing seal valve provides better sealing performance. Make sure the seal valve is tight when covering the lid, prevent urine from leaking out and odors from coming out. Amazing little travel pee bottle. PERFECT for your children Training Car Airplane Coach Travel Road Trip Camping Park Beach; Potty Urinal Emergency Toilet for Camping Car Travel. It's small enough to put in your purse or to fit in the car. available at any immediate time the kids had to urinate,this is a road trip essentials for kids Material: ABS, HDPE, Silicone. Ergonomically portable travel potty bottle Design with different Urinary mouth for boys and girls. the Pink for girls, the Blue for boys.