Unique Patented Design: Our Kids Kitchen Step Stool enjoys the CPC certification (Children's Product Certificate) issued by the federal government. Removable Anti-Drop Railing Safety Rail design has a unique patented design (Patent No: USD1,007,881S) "A" Structure is More Stable: Designed and tested to exceed child safety standards. "A" Shape structure reduces risk of toppling. Non-slip feet. The four-sided railings provide support with an additional removable anti-fall bar as needed Made to Last: This sturdy tower stool for learning is made from solid natural material with a child-safe, meticulous finish that prevents scratches and scuff marks. Safely supports 150 lbs for toddlers 18 months to 3 years old Strong and Versatile: Hand-selected sustainable material is sturdy and lighter than other woods, and has great natural coloring.