Providing you peace of mind as your little one makes the move to big-kid bed this safe and sturdy Daybed/Sofa/Toddler Guardrail by Delta Children extends the life of your crib by transforming it from a crib into a secure toddler bed daybed or sofa. This Daybed/Sofa/Toddler Guardrail is not universal and may not fit your crib. Please check your crib assembly instructions to confirm style number compatibility.