· Grow with Baby - KUB's 3 in 1 potty trainer features a multi-functional design to adapt the three stages of potty training: from potty training chair to seat, from potty training seat to step stool, to accommodate the changing needs of toddlers.· Safety is Prior - Made of environmentally friendly BPA-free PP; Four-point anti-slip rubber pad; Cloudarc-heightened backrest; Finely polished rounded edges; all to ensure the child's safety during use.· Easier Cleaning - 11 CM deep detachable bowl has a smooth curved inner; 9 CM built-in splashguard; hygienic designs aim to help moms do the most effortless maintenance with just one rinse.· Secs Assembly - Double buckle design ensures a simple but reliable installation or disassembly to transform freely in a hassle-free experience. From home use to travel, it is well-suited.· Universal Compatibility - The potty training seat adds the adjustment lever to fit most standard toilets; moreover, extra widens and thickens the base for better comfort and sturdy support during different ages and sizes.· From KUB, a "take responsibility for each product" brand.