【Folding and quick installation】: Our toddler bed rails are pre-assembled. Just connect the support base rod and the U-shaped base and fix it to the bed. It can be installed in 2 minutes. No complicated parts assembly is required, and the folding design also makes it easy to store. 【Sturdy and stable U-shaped base】: The new upgraded Kids' Bed Rails & Rail Guards has a large U-shaped base with a depth of 14 in, which is better embedded under the mattress, has a larger force area, increases stability and safety, does not shake easily, avoids sliding and shifting, and parents are more at ease with their babies falling asleep. 【F-tube fits the bed】at 0 distance: F-pressure tube is installed. In order to prevent the baby's head, hands, and feet from being stuck, F-pressure tube is installed. There is no gap between the bed frame and the bed. The mattress fits perfectly with the F-tube, with 0 gaps, to prevent children from getting stuck in the gap when sleeping or playing on the bed. 【Lifting and easy entry into bed】: Our bed rail has a child lock and lifting design, so you and your baby can easily enter the bed. The guardrail design of the toddler bed can be used without drilling and will not damage the bed board. 【Safe and non-toxic materials】: Our bed rail guard is composed of safe fabric plus mesh and sturdy steel pipes. The breathable mesh is not stuffy. The steel pipe thickness is 1mm, which is more durable and does not shake compared to other thin steel pipes.