Patented Design fits any mattress, no boxspring needed Try it on Toddler beds and bunk beds Soft fun characters keep your child company at bedtime Removes the hospital bed look from your child's room Portable and lightweight Heavy Duty Construction Fits up to a double bed Great for Toddler beds, bunk beds and regular beds, too Use with any mattress to keep children from rolling off the sides. Many colors available, please choose! Great shower gift!! Approximately 4 foot long.

This works with an adjustible strap that wraps around entire length of the mattress, holding it in place

I do have a white version of this that comes with a pump and fits up to a king size.