THE TOILET SEAT THAT GROWS WITH YOUR CHILDThis 2-in-1 Toddler toilet seat, gets your toddler excited and motivated to use it on their own and makes potty training fun, reduces extra cleaning tasks, particularly adults don't need to dump and clean the nasty potty. SLOW CLOSE & QUIET CLOSEBoth the toilet lid and adult toilet seat close slowly and quietly with a tap to eliminate slamming and pinching your fingers, no worry about waking up your family or sleeping baby at night. ( Note: The child seat needs to be attached to the lid with magnets and slowly closes with the lid.) QUICK RELEASE & SAFEQuick-release hinges allow the elongated toilet seat to be easily released from the toilet for easy cleaning and replacement; With a special fastening system, your seat will never come loose and kids feel comfortably safe. HIGH-QUALITY MATERIAL & EASY TO CLEANMade of high strength and toughness PP material with ceramic texture, more durable than ordinary plastic, No yellow no fade,and remains the same as the new ones after a few years of use. The surface of the oval toilet seat is smooth, just need to wipe it with a soft towel to keep the toilet seat with the built-in child seat bright and clean. Applicable toilet sizes Type O: Length: 40-44cm/15.7*17.3in Width :35.5-37cm/14*14.57in Hole distance :12-19cm/4.7*7.5in Type V: Length: 43-48CM/16.93*18.9in Width :35.5-37cm/14*14.57in Hole distance :12-19cm/4.7*7.5in Type U: Length: 40-44cm/15.7*17.3in Width: 33-34.5CM /13*13.58in Hole distance :12-19cm/4.7*7.5in