Natart Avalon 4 in 1 Toddler Guard Rail in Linen helps to convert your Avalon Crib to a toddler bed by providing extra protection for your little one as they learn to sleep in a big kid bed. All of Natart's products conform to current ASTM & CPSC standards. Natart is also JPMA Certified for their cribs, and Greenguard certified for air quality for their cribs and furniture. All of Natart's finishes are lead-free and non-toxic. All finishes have been tested and passed by independent, third party testing facilities in the United States. Natart is also certified for air quality (very low VOCs) on all cribs and furniture under the GREENGUARD Children & Schools Certification Program.