Fit most toliet size: Wiifo kids potty training seat fits standard height toilets which ranging in height from 14" to 16.5" from floor to toilet bowl seat. Foldable design make the potty training ladder moves easily, you can put toilet training seat aside when you don't need it. Safe and Comfortable:Made of made of high quality PP, can hold 75kg(165lb) mostly, sturdy enough when your toddler climbs up/down. padding on the potty seat makes it comfortable. Also environmental friendly. Training Toddler:This toilet trainer ladder is both suitable for boys and girls with pee catcher design, makes her or him super interested in potty time. Easy to assemble and safe to use. It will prevent the seat from shifting, which means your kids can climb up and down to use the toilet independently without worry. With our anti-slip design for the pads and ladder. Suitable for 18 months -8 years old, as the footrest is adjustable(2 choice of height) so you can continue to use it when kids grow up