The perfect seat for children and adults. Ideal for: Children of varied ages Grandparents with visiting grandchildren Child day care centers Features a child's seat with a smaller opening fitted between a standard adult toilet seat and lid. When not in use, the child's seat can be flipped up into the recess of the lid or it can be removed. The smaller, child size seat opening measures 6.5” front to back and 5.3” across. The standard style seat opening measure 10” front to back and 8.5” across. This complete replacement seat with lid and child size toilet seat fits all standard toilets; unfortunately it is not designed for use with elongated toilets. The overall outside dimensions are 16" long x 15" wide. 726200000-1$67.65 If you have any questions or need help, just call us, 973.305.0006