4" Natural Sea Sponge

This accessory to the Original Tummy Tub takes your babies bathing experience to new heights! * Multifunctional TummyTub Stand allows you to sit comfortably in a chair to bathe your baby * Two adjustable heights allow you to find a back-friendly position * Comes with a special attachment cup for the TummyTub, so baby is secure * Remove the cup, and it converts into a child's step stool or seat * When your child grows, just change the height and use it for another couple of years * Contains a storage compartment for toys or bathroom accessories * Makes a fantastic colorful bathroom stool * Available in 3 colors: Green, Pink, and Blue.