MR.SIGA Toilet Stool Squat Adult, Bathroom Stool Heavy Duty, Anti Slip Toilet Step for Bathroom, Toddler Step for KidsMULTI FUNCTIONAL: Two toilet stool can be used in three ways use one stool alone as an adult toilet stool; two stools assembled in the same direction as a toilet stool for toddlers; two stools assembled in the opposite direction as a nursery step stool. Installation is very simple, just snap the feet of the squatty potty into the recesses on the top of the large stool. SAFE AND DURABLE: The top and bottom of MR. SIGA toilet step are made of non slip