The child's legs will use strength instinctively when defecating, the potty which have middle interlayer will hurting the skin of legs, however, this chair type baby potty can avoid the hurting Just flush the loo once the child has been to the toilet. Should be under constant supervision of adults. NEVER leave child unattended. Suitable for 1-7 years old Upgraded double handrail, Soft seat, pee