Remember that you need to protect your baby from dirty surfaces and you also need to protect changing surfaces from any diaper spills or poop explosions that might occur. (thankyourbaby.com)
Rolling around on dirty surfaces or against filthy clothes is the # 1 reason most dogs are washed. (icleandogwash.com)
Its round shape helps keep even the wiggliest of babies on the changing pad and off of dirty surfaces. (verywellfamily.com)